choose the combination of factors that would lead to the greatest oxygen unloading from hemoglobin.

Answers

Answer 1

The combination of a low pH, high temperature, high carbon dioxide concentration, and low oxygen concentration will lead to the greatest oxygen unloading from hemoglobin.

The greatest oxygen unloading from hemoglobin:

Low pHHigh temperatureHigh carbon dioxide concentrationLow oxygen concentration

All four of these factors work together to increase the affinity of hemoglobin for oxygen, resulting in the greatest oxygen unloading from hemoglobin.

A low pH will create a lower charge on the hemoglobin molecule, reducing its affinity for oxygen. A high temperature will increase the kinetic energy of the molecule, allowing it to move more freely, increasing its affinity for oxygen. A high carbon dioxide concentration will also increase the affinity of hemoglobin for oxygen, as carbon dioxide binds to hemoglobin much more tightly than oxygen. A low oxygen concentration will reduce the amount of oxygen available to bind to the hemoglobin molecule, further increasing the affinity of hemoglobin for oxygen.

When all of these factors are combined, the result is an increased affinity of hemoglobin for oxygen, leading to the greatest oxygen unloading from hemoglobin.

Learn more about pH: https://brainly.com/question/13557815

#SPJ4


Related Questions

in animals, what is the difference between reproductive cloning and therapeutic cloning?

Answers

In, Reproductive cloning copies of whole animals are produced. While in Therapeutic cloning embryonic stem cells are produced for certain experiment.

In general ,Reproductive Cloning are responsible for generating genetic copies of entire organisms. While ,Therapeutic Cloning are used for making genetic copies of tissues or organs that helps to replace the damaged body parts.

Therapeutic cloning is done by transferring of the nuclear material that were isolated from the somatic cell present in the enucleated oocyte. This   results in formation of cloned cells they remain on the dish in the lab and not implanted into a female's uterus.

To learn more about Therapeutic cloning  , here

brainly.com/question/12483409

#SPJ4

in humans, assume red hair is recessive to dark hair. what are the chances of a dark-haired couple having a red-haired child if each had a red-haired parent?

Answers

Your DNA, or genetic material, is divided up into discrete units called genes. Your hair colour and other characteristics that make you who you are are determined by your genes! Alleles are various variants of a gene.

So, let's assume that a single gene determines a person's hair colour. This gene's several alleles include "blonde hair," "red hair," and "brown hair." Brown hair results from having the gene's brown allele. You have blonde hair if you carry the blond allele. Additionally, if you carry the red gene, your hair is red.

However, it's not so easy because each gene has more than one allele. Actually, you have two: one from each parent, your mother and father. Red or blonde hair's DNA is not as robust as brown hairs. Your two alleles must both be blonde in order to have blonde hair. Red hair is the same way. These qualities are recessive. Red and blonde hair have DNA that is almost equal in strength. Those with two types of DNA frequently have strawberry blonde hair.

When you combine everything, you get:

Brown DNA + brown DNA = brown hair

Brown DNA + red DNA = brown hair

Brown DNA + blonde DNA = brown hair

Blonde DNA + blonde DNA = blonde hair

Red DNA + red DNA = red hair

Red DNA + blonde DNA = strawberry blonde hair

To learn more about genes, refer: https://brainly.com/question/7988609

#SPJ4

evaluate this statement: according to the two-domain hypothesis, all members of the domain archaea are prokaryotes and therefore lack membrane-bound nuclei. is this statement true? evaluate this statement: according to the two-domain hypothesis, all members of the domain archaea are prokaryotes and therefore lack membrane-bound nuclei. is this statement true? it is false because archaea include only eukaryotes. unlike prokaryotes, eukaryotes do have membrane-bound nuclei. it is false because archaea include both prokaryotes and eukaryotes. and unlike prokaryotes, eukaryotes do have membrane-bound nuclei. it is true because archaea include eocytes. like other prokaryotes, eocytes do not have membrane-bound nuclei. it is true because archaea include only prokaryotes.

Answers

According to the to the two-domain hypothesis, Archaea includes prokaryotes and eukaryotes. Although prokaryotes lack nuclei, eukaryotic cells possess nuclei.

The two-domain system is a method of biological taxonomy that divides all living things into the two broad categories of bacteria and archaea. It came about as a result of advances in our understanding of the diversity of archaea and a disagreement with the widely used three-domain approach that divides life into Bacteria, Archaea, and Eukarya.

The Euocytes theory was revived in the 2000s as a result of improved understanding of archaea, particularly in relation to their roles in the creation of eukaryotes through symbiogenesis with bacteria.

The two-domain approach gained popularity after the discovery of a sizable group of archaea dubbed Asgard, evidence of which suggests that eukaryotes are members of the domain Archaea and may have evolved from them.

To learn more about eukaryotes and prokaryotes  visit;

https://brainly.com/question/29119623

#SPJ4

which statement is true regarding carbohydrates? group of answer choices the brain relies almost exclusively on glucose for energy.

Answers

It is true that carbs provide the brain with almost all of its energy. Molecular sugars make up carbohydrates, or carbs. One of the three primary nutrients included in meals and beverages, together with proteins and fats, is carbohydrate.

Bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie are just a few examples of the many healthy and bad meals that include carbohydrates. They also take on various shapes. Sugars, fibres, and starches are the most widely used and plentiful types. A healthy diet should include a variety of foods that are high in carbs. The body receives glucose from carbohydrates, which is then transformed into energy for use during physical activity and maintaining biological functions. However, the type of carbohydrate that is consumed matters; some are better than others.

Learn more about carbohydrates here

https://brainly.com/question/14614055

#SPJ4

a 1-month-old infant expends the greatest amount of energy on: a. metabolic activity b. growth c. involuntary muscle movement d. voluntary muscle movement

Answers

The correct response is a. Metabolic activity. The infant who uses the most energy for metabolic activity is one month old.

Anaerobic digestion and cellular respiration are a few examples of metabolic activity. For instance, the ten-step glycolysis process causes cell division into two pyruvate molecules. Numerous variables, such as age, gender, muscle-to-fat ratio, level of physical activity, and hormone function, have an impact on metabolic rate. In order to produce energy for various processes and for the synthesis of new substances, metabolism can be defined as a biochemical process that adds up all chemical reactions that take place in each of a living thing's cells. Exercise has a significant impact on metabolism, and it's essential that the body adjust to these changes in order to be able to supply the energy needed for muscular contraction and the physiological processes of critical tissues.

To learn more about Metabolic activity here

https://brainly.com/question/2056723

#SPJ4

Describe how traits (phenotypes) and reproduction of ladybugs are connected to one another

Answers

Answer:

Ladybugs reproduce sexually, meaning that two individuals are required for successful mating and reproductive success. Traits, or phenotypes, influence the likelihood of successful mating and reproductive success. For example, certain physical characteristics, such as size, color, and pattern, may be more appealing to potential mates and therefore make the individual more likely to mate and reproduce. Additionally, certain behaviors, such as courtship displays, may make an individual more attractive to potential mates and contribute to their reproductive success.

Explanation:

a black bear accidentally stepped on a ladybug beetle, and the beetle survived. what type of ecological species interaction is this?

Answers

a black bear accidentally stepped on a ladybug beetle, and the beetle survived. this type of ecological species interaction is known as neutralism.

The interaction between two species that interact but do not have an impact on one another is known as neutralism. It is used to explain relationships in which one species' fitness has no bearing whatsoever on that of another. It is exceedingly unlikely and impossible to demonstrate true neutralism. Since true neutralism is uncommon or nonexistent, it is frequently applied to circumstances in which interactions are just minor or insignificant.

learn more about species interaction here

https://brainly.com/question/14974993

#SPJ4

The study of bystander intervention is the study of situational variables related to helping a stranger, most notably the ____.

a. decreased likelihood of helping as the number of bystanders increases
b. fear of getting involved
c. increased likelihood of helping as the number of bystanders increases
d. desire to help but with concerns about potential liability

Answers

The study of situational factors that affect whether or not a stranger receives assistance, particularly the tendency to withhold assistance as the number of onlookers rises, hence option A is correct.

What is bystander intervention?

Bystander intervention is defined as the use of intervention in the prevention and de-escalation of potentially violent occurrences.

But this may also be seen as the readiness to intervene and the assistance provided to someone in need.

Therefore, it aids in the prevention of domestic and sexual violence, hence option A is correct.

Learn more about bystanders, here:

https://brainly.com/question/29347561

#SPJ1

Which tatement BEST decribe the relationhip between adenoine diphophate (ADP and adenoine triphophate (ATP)?
©
A. With an input of energy, ADP rearrange to become ATP. B. Without any energy change, ADP rearrange to become ATP. • C. With an input of energy, ADP combine with a phophate group to become ATP. O D. With a releae of energy, ADP combine with a phophate group to become ATP

Answers

The link between adenosine diphosphate (ADP) and adenosine triphosphate (ATP) is best explained by the fact that when energy is added, ADP interacts with a phosphate group to form ATP. The right Option is (c).

The mitochondria of cells are thought of as the powerhouse since ATP is produced there. As seen in the reaction below, ATP is produced when ADP reacts with an inorganic phosphate and an energy source to generate ADP;

Pi + energy + ATP + H2O = ADP + inorganic phosphate

One adenine, one sugar, and two phosphates make up the biological molecule known as adenosine diphosphate (ADP). Its most crucial function is the creation of ATP, the most vital energy molecule in living cells, when it is coupled with a phosphate molecule. An enzyme called ATP synthase produces ATP during oxidative phosphorylation. Specifically, protons travel through the protein and cause a conformational change once a proton gradient is established. ADP and inorganic phosphate are then combined by ATP synthase to form an ATP molecule.

Learn more about adenosine triphosphate visit: brainly.com/question/897553

#SPJ4

Correct Question:

Which statement BEST describes the relationship between adenosine diphosphate (ADP) and adenosine triphosphate (ATP)?

A. With an input of energy, ADP rearranges to become ATP.

B. Without any energy change, ADP rearranges to become ATP.

C. With an input of energy, ADP combines with a phosphate group to become ATP.

D. With a release of energy, ADP combines with a phosphate group to become ATP.

if a cell increases the activity of its actin severing proteins, will it lead in the short term to more or less actin polymer mass? chose the most accurate answer.

Answers

More polymer will form if the concentration of free actin monomers is higher than the Cc at both the plus and minus ends.

Less polymer will form if the concentration of free actin monomers is lower than the Cc at both the plus and minus ends.

Actin polymerization encourages FAK and Src to activate small G proteins by signalling to GEFs and GTPases (e.g., Rho and Rac). The actomyosin network is then forced to develop as a result of G proteins' induction of cytoskeleton-regulating proteins.

What stops cells from forming actin polymers?

Actin monomer is sequestered by monomer-binding proteins, reducing its availability for polymerization. As a result, actin does not polymerize when monomer-binding proteins are present in stoichiometric levels.

Q. If a cell increases the activity of its actin severing proteins, will it lead in the short term to MORE or LESS actin polymer mass? Chose the most accurate answer.

Increased severing activity will result in LESS polymer under any conditions.

Increased severing activity will result in NO CHANGE in the total amount of polymer under any conditions. It simply results in a larger number of smaller filaments.

Increased severing activity will result in MORE polymer under any conditions.

If the concentration of free actin monomers is below the Cc for both the plus and minus ends, then MORE polymer will result. If the concentration of free actin monomers is above the Cc for both the plus and minus ends, then LESS polymer will result.

If the concentration of free actin monomers is above the Cc for both the plus and minus ends, then MORE polymer will result. If the concentration of free actin monomers is below the Cc for both the plus and minus ends, then LESS polymer will result.

To know more about actin, visit:

https://brainly.com/question/24173611

#SPJ4

7. “It is often said that getting vaccinated is not about yourself, they're about everyone else.”What does it mean

Answers

When one does get vaccinated, it doesn’t make it selfish. We do it to also protect others, or maybe cannot get vaccinated.

which internal structures of animals are specifically adapted to use contraction to cause movement?

Answers

Animal muscles' internal structures have been specifically adapted to use contraction to cause movement.

Muscle cells are designed to contract. Muscles enable motions such as walking, as well as bodily processes such as respiration and digestion. Muscle tissue is classified into three types in the body: skeletal muscle, cardiac muscle, and smooth muscle. Skeletal muscle tissue develops into skeletal muscles, which attach to bones or skin and control locomotion and any consciously controlled movement.

Skeletal muscle is also known as voluntary muscle because it can be controlled by thought. Skeletal muscles are long and cylindrical in shape; when examined under a microscope, skeletal muscle tissue appears striped or striated. To stay alive, grow, and reproduce, an animal must find food, water, and oxygen, as well as eliminate metabolic waste.

To know more about the Muscle cells, here

https://brainly.com/question/9486312

#SPJ4

given that about 25% of the mammalian genome is associated with genes, including introns and regulatory sequence, what would be the approximate average length of dna per gene if the genome contained 20,000 genes?

Answers

If the genome contained 20,000 genes, the average length of DNA per gene will be 40,000 base pairs.

What is the average length of DNA per gene?

Only 2.5% of the human genome is protein-coding. Introns make up the remaining 97.5%. The male nuclear diploid genome is 6.27 Gigabase pairs (Gbp), 205.00 cm (cm) long, and 6.41 picograms in weight (pg). Female measurements are 6.37 Gbp, 208.23 cm, and 6.51 pg.

For a 25% mammalian genome with 20,000 genes, the total number of base pairs, which is the length of DNA per gene, will be approximately double the amount of genes contained in the genome, in this case 40,000.

Learn more on DNA size here: https://brainly.com/question/20556821

#SPJ1

The flow of highly energetic electrons through the electron transport chain changes the _____ of the pump proteins, which causes them to transport protons across the membrane.

Answers

The flow of the highly energetic electrons through electron transport chain will change the shape of the pump.

As the high-energy electrons are transported along the chain, some of their energy is trapped. This energy is used to drive hydrogen ions (from NADH and FADH2) from the matrix across the inner membrane and into the intermembrane space.

In the electron transport chain, electrons are passed from one molecule to another and the energy released in these electron transfers is used to form an electrochemical gradient. Chemiosmosis uses the energy stored in the gradient to produce ATP. When an electron moves from a lower energy level to a higher energy level, energy is absorbed by the atom.

Learn more about the electron transport chain in

https://brainly.com/question/24372542

#SPJ4

When venous return is increased, stretch receptors in the atria of the heart are activated. this results in: ________

Answers

When venous return is increased, stretch receptors in the atria of the heart are activated. This results in: the inhibition of ADH secretion.

Heart is the organ if the circulatory system that is involved in the pumping of blood to he whole body. the humans heart is composed of 4 chambers, upper two atria and lower two ventricles. The heart keeps the oxygenated and deoxygenated blood separated.

ADH is the abbreviation for Anti-diuretic Hormone. It is also known by the name vasopressin. the hormone performs two functions: constriction of blood vessels and maintain the osmolarity of the body by regulating the amounts of water and salts.

To know more about ADH, here

brainly.com/question/29544229

#SPJ4

Which piece of evidence indicates that a chemical reaction has occurred?

Question 1 options:

melting of a substance


boiling of a substance


formation of a precipitate


freezing of a substance

Answers

formation of a precipitate

in liver cells, epinephrine stimulates the breakdown of glycogen. as the signal-transduction pathway progresses, __________.

Answers

In liver cells, every epinephrine stimulates the breakdown of our glycogen. As all the signal-transduction are progresses in their pathway, then the signal is amplified.

Following a meal, liver glycogen levels rise and then gradually decline to keep blood glucose levels nearly constant. A signal is considered to be autocrine when it binds to receptors on the cell's surface. When two cells come into contact with one another, juxtacrine signaling occurs. A ligand on one cell surface interacts to a receptor on the other. Blood glucose levels increase after eating because glucose enters the liver.

The liver uses glycogenesis to deal with this extra glucose by converting it to glycogen for storage. Glycolysis is the process by which the glucose that is not stored is converted into energy. Glucagon and epinephrine, two hormones that are largely found in the liver and that induce glycogenolysis (adrenaline). One of the key characteristics of many intracellular signaling pathways is the amplification of signals, which is the process by which a signal's intensity is increased.

Learn more about glycogen visit: brainly.com/question/4303062

#SPJ4

sort the molecules in the glycolysis pathway based on whether they are intermediates or products in the first half of the pathway that requires energy, or are intermediates in the second half of the pathway that produces energy.
a. glucose-6-phosphate b. fructose-6-phosphate c. fructose-1,6-bisphosphate d. glyceraldehyde-3-phosphate e. dihydroxyacetone phosphate f. 1,3-bisphosphoglycerate g. 3-phosphoglycerate h. 2-phosphoglycerate i. phosphoenolpyruvate
1. Intermediate in the first half of the pathway
2. Intermediate in the second half of the pathway

Answers

Since these six are intermediates in the second half of the route that generates energy, glucose six phosphate is the answer that best fits the facts.

What is the first intermediate molecule created during glycolysis?

In a series of processes that each require two ATP, glucose is first transformed into fructose-1,6-bisphosphate. Next, unstable fructose-1,6-bisphosphate breaks in half, resulting in the formation of the three-carbon molecules DHAP and glyceraldehyde-3-phosphae.

What four end products does glycolysis produce?

One glucose molecule is converted into two pyruvate (pyruvic acid) molecules, four ATP molecules, and two NADH molecules during the process of glycolysis. ATP, produced via substrate-level phosphorylation, NADH, produced by REDOX processes, and pyruvate molecules are the three primary products of glycolysis.

To know more about glycolysis visit :-

https://brainly.com/question/14076989

#SPJ4

A. The fish population contains individuals with effective predation evasive traits and eventual changes to the dam prevent fish from moving downstream.

B. The fish completely lack any effective predation evasive traits across the entire population, move infrequently from upstream to downstream locations, and reproduce with low frequency.

C. The fish reproduce with high frequency, move with high frequency from upstream to downstream locations, and have a robust set of predation evasive traits across the entire population.

D. The rate of upstream fish entering the downstream section decreases over time without being completely shut off, and many of these fish carry predation evasive traits.

Answers

The fish completely lack any effective predation evasive traits across the entire population, move infrequently from upstream to downstream locations, and reproduce with low frequency, because the fish in this situation would become extinct even though they live in predation-prone waters and do not migrate, and they do not reproduce quickly enough to substitute the population lost to predators.

When prey was set to release from predation pressure, their growth increased, a process that had not previously been studied in reef-fish growth studies. The suppression of development in response to predation pressure suggests that predators may have a broader impact on reef-fish evolution than previously thought.

For more information on predators, visit :

https://brainly.com/question/29409459

#SPJ4

deep earth extraction inc. operates a facility near estuary bay. discharging waste from the facility into the bay can result in

Answers

Deep earth extraction inc. operates a facility near estuary bay. discharging waste from the facility into the bay can result in penalties and damages. The correct option to this question is A.

Potentially culpable parties can shield themselves from accountability by changing ownership in the event that dangerous chemicals are released from a facility. 35. Possibile liable parties can escape accountability in the event of a leak of hazardous chemicals from a facility by changing ownership. a harmful tort.

Misdemeanor-level infractions are punishable by up to a year in jail and/or fines of up to $100,000 for individuals and $200,000 for businesses (see alternative Fines Act 18 U.S.C. 3571). Sections 407, 408, 409, 414, and 415 violations require a required minimum of 30 days in prison.

For more information on waste disposal kindly visit to

https://brainly.com/question/14472379

#SPJ4

Complete question: Deep Earth Extraction, Inc., operates a facility near Estuary Bay. Discharging waste from the facility into the bay can result in a. penalties and damages.b. penalties only.c. damages only.d. none of the choices.

under sympathetic activation, the heart rate increases with the release of the neurotransmitter ? T/F
.

Answers

The statement, under sympathetic activation, heart rate increases with neurotransmitter release, is true.

For, the release of neurotransmitters such as adrenaline and noradrenaline from the sympathetic nervous system causes the heart to increase its rate. These neurotransmitters stimulate the heart to beat faster and harder, allowing a greater supply of oxygenated blood to the body's organs and muscles.

The Effect of Sympathetic Activation on Heart Rate

The sympathetic nervous system is an important part of the nervous system that regulates the body's reactions to stressful and anxious situations. This increases:

Heart rateBreathing rateBlood pressureBlood flow

In addition, sympathetic activation also triggers a cascade of changes in the body, such as dilation of the blood vessels to allow for increased blood flow. This allows the muscles to relax, which enables the body to better perform its basic functions.

The effect of sympathetic activation on the heart rate also helps prepare the body for a fight or flight response, allowing it to respond to stressful situations more effectively.

Learn more about The sympathetic nervous system:

https://brainly.com/question/1970920

#SPJ4

The following options are all reproductive barriers. which one is an example of a prezygotic barrier in which the two different species do mate?
a. Two dragonfly species regularly mate, but their gametes are incompatible.
b. No zygote is formed, but mating does occur.

Answers

The following options are all reproductive barriers. which one is an example of a prezygotic barrier in which the two different species do mate:

Two dragonfly species regularly mate, but their gametes are incompatible.No zygote is formed, but mating does occur.

A prezygotic barrier prevents members of different species from mating to produce a zygote, a single-celled embryo. Here are some example scenarios This is called habitat isolation. Prezygotic barrier A mechanism that prevents fertilization and reproduction.

A postzygotic barrier is a mechanism that blocks reproduction after fertilization and zygote formation. There are two main classifications of reproductive barriers prezygotic barriers and postzygotic barriers. This is called habitat isolation.

Learn more about A prezygotic barrier here:- https://brainly.com/question/13049614

#SPJ4

Where was the first veterinary school founded?

Answers

Answer: in Lyon 1762

What is used for burning fuel?

Answers

Oxygen is required for burning fuels. The chemical activities that occur during fire are aided by oxygen. This is referred to as oxidation.

Any flammable material can be used as fuel. It is distinguished by its moisture content, size, form, number, and placement throughout the terrain. The amount of moisture impacts how readily it may burn.

Air contains around 21% oxygen, and most burns require at least 16% oxygen concentration to ignite. When fuel burns, it combines with oxygen in the surrounding air to produce heat and combustion products (gases, smoke, embers, etc.).

Fire happens when combustible fuel becomes gas in the presence of oxygen at extremely high temperatures. The presence of flames indicates that the gas has been heated. Lower-temperature sources of fire can also occur. Combustible materials, such as smoldering embers, can attain their ignition temperature over time.

learn more about oxidation at https://brainly.com/question/5054977

#SPJ4

What is the relationship between sequence similarity and sequence identity?

Answers

The main distinction between similarity & identity in the target sequence is that whereas identity refers to the number of characters that perfectly match in two separate sequences, similarity refers to the similarity between the two sequences in comparison.

A phrase that has been used to describe how similar two or even more nucleotide sequences are, usually about the percentage of identity.

Sequence resemblance by employing alignment to a query sequence, searching is a technique for searching sequence databases.

For nucleotide sequences, the terms sequence identity and sequence similarity are interchangeable. But the two ideas are fundamentally unlike when it comes to protein sequencing. Sequence identity in protein sequence alignment refers to the proportion of identical amino acid residue matches between 2 aligned sequences.

Learn more about nucleotide sequences at

https://brainly.com/question/26878887?referrer=searchResults

#SPJ4

a man is homozygous for type a blood and a woman is heterozygous for type b blood. what is the probability that their child’s phenotypic blood type is o?

Answers

With a 50% chance of being type AB, a 50% chance of being type AO, and a 0% chance of being type B, their child's phenotypic blood type is likely to be o.

How likely is homozygous blood, in percentage terms?

The Punnett square below shows that there is a 25% chance of having a healthy homozygous (AA) child, a 50% probability of having a heterozygous (Aa) carrier child, just like you and your partner, and a 25% risk of having a homozygous recessive (AA) child with each birth.

What occurs if blood types A and B are combined?

It follows that those with type A blood produce antibodies against B antigens. An ABO incompatibility reaction would occur in a person with type A blood who had a transfusion of type B or AB blood.

To know more about blood visit:-

https://brainly.com/question/14781793

#SPJ4

moving from the equator towards the poles, the average skin color of human populations gets lighter. the main exceptions or interruptions to this pattern are in locations that:

Answers

It has been hypothesised that a connection exists between skin colour, latitude, and intensity of UV light based on previous investigations of the association between human skin colour and distance from the equator.

The fundamental presumptions are that UV radiation is strongest at the equator and that it decreases uniformly in both the Northern and Southern Hemispheres as latitude increases. These presumptions form the basis of the common study of human skin tone, which assumes that skin tone is darkest at the equator and that skin tone decreases with latitude equally in both hemispheres. At identical latitudes, UV radiation is more in the Southern Hemisphere than the Northern Hemisphere. This variation in astronomical and climatic circumstances may have existed in the past at various times and may have had an impact on the development of human skin tone.

To learn more about hemispheres click here https://brainly.com/question/13625065

#SPJ4

both parents are heterozygous for tay-sachs disease (an autosomal recessive disorder). three children in a row were born with tay-sachs disease. what is the chance that a fourth child will have tay-sachs disease?

Answers

The chance that a fourth child will have tay-sachs disease is 25%.

Tay-Sachs disease is a rare genetic condition that kills brain and spinal cord nerve cells. Babies and young children are the primary targets of this disease. It is typically lethal and prevents the nerves from functioning normally.

A hexosaminidase-A deficiency in the body causes this condition. This is an autosomal recessive disorder. So it requires two recessive alleles to express the disease.

Let us consider T as the dominant allele and t as the recessive allele. Here, the two parents are heterozygous which means their genotype is Tt. Crossing this we get Punnett square as attached here.

Here, the probability of a normal child is calculated from the occurrence of TT and Tt. Since it is recessive, it requires two recessive alleles to express.

Out of four from the Punnett square, three are normal. Then, the probability is 75%, or 3/4. And out of four, one is affected, so the probability is 25%, or 1/4.

Therefore, the answer is 25%.

The complete question is -

Both parents are heterozygous for Tay-Sachs disease (an autosomal recessive disorder). Three children in a row were born with Tay-Sachs disease. What is the chance that a fourth child will have Tay-Sachs disease?

25%

100%

50%

0%

75%

To know more about Punnett square:

https://brainly.com/question/25608427

#SPJ4

chrysanthemums have a haploid chromosome number of 9. how many chromosomes are found in tetraploid ch

Answers

The number of haploid chromosomes in chrysanthemums is 9. species of tetraploid chrysanthemum has the most chromosomes. A tetraploid chrysanthemum has 36 chromosomes total, consisting of 4 sets of 9 chromosomes.  Tetraploidy is a very uncommon type of polyploidy in which each chromosome has four copies instead of two, giving rise to 92 chromosomes overall in each cell. Tetraploid organisms, denoted by the symbol 4n, include all creatures that have four copies of each of their chromosomes. Wheat, cotton, and Brussels sprouts are some examples. Colchicine, an alkaloid, is given to a branch's terminal bud in order to create a tetraploid plant. Tetraploid (4n) cells with four sets of chromosomes will make up every single cell in the developing branch. Included are the stem, leaf, flower, and fruit cells.

learn more about chromosomes here;

https://brainly.com/question/11912112

#SPJ4

The subdivisions of the autonomic nervous system are the division and sympathetic division.a. Trueb. False

Answers

The subdivisions of the autonomic nervous system are the division and sympathetic division is false.

The sympathetic division and the parasympathetic division are the two parts of the autonomic nervous system. The fight-or-flight response is connected to the sympathetic nervous system, whereas rest and digest is the term used to describe parasympathetic activity. The harmony of the two systems is known as homeostasis.The enteric nervous system is occasionally regarded as a component of the autonomic nervous system and other times as a separate entity. The activities of the sympathetic and parasympathetic divisions are complementary: the sympathetic division controls actions that call for rapid responses (such as fight-or-flight), while the parasympathetic division governs slower-paced behaviors (rest and digest).To establish homeostasis, the SNS and PSNS are thought to continuously modulate essential processes in an often hostile manner. This involves both heart and breathing processes.

To know more about sympathetic check the below link:

https://brainly.com/question/14305951

#SPJ4

Other Questions
The nurse is caring for a patient with hypertension who is scheduled to receive a dose of metoprolol (Lopressor). The nurse should withhold the dose and consult the prescribing physician for which vital sign taken just before administration?- O2 saturation 93%- Pulse 48 beats/min- Respirations 24 breaths/min- Blood pressure 118/74 mm Hg What happens to the melting point of rock as the depth and pressure increases? g the coupon rate is a. the annual coupon divided by the face value of the bond. b. the annual coupon divided by the price of the bond. c. the annual coupon divided by the issue price of the bond. d. equal to the yield to maturity. radon-222 has a half-life of 3.8 days. an air sample from a basement in colorado was analyzed 5.0 days after it was collected and found to have a radon activity level of 0.17 bq/l. what was the original activity of this sample? the empirical formula and molar mass of several compounds are listed. find the molecular formula of each compound. a. c6h7n, 186.24 g>mol in april 2017, only months before the end of cassini's mission at saturn, two discoveries from enceladus plumes suggested that its subsurface ocean is in contact with bedrock underneath it, instead of just being between layers of ice. what two discoveries prompted this conclusion? White light passes through mercury vapor and is then analyzed using a spectrometer.A. The observed spectrum consists of mercury spectral lines and nothing else.B. The observed spectrum is continuous and contains mercury lines, but these lines are obscured by the white light.C The observed spectrum is continuous without any missing lines.D. The observed spectrum is continuous and contains dark absorption mercury lines.E. None of the above. opqrst is considered a focused assessment for the evaluation of pain which has brought the patient in for this particular event. what type of questions relate to what the patient was doing when the signs and symptoms first started to occur? Is cycling 1hr a day good? how is the damage pattern from a derecho different from the damage pattern from a tornado? amanda wants to be part of the most basic form of ownership for a corporation. she should invest in: Which is window method is used to move the correct window? Why it is necessary for teachers to create a quality learning environment what they need to do to achieve this and how this will impact on meaningful learning? 4. In 1890, three kinds of people were deciding the future of our national natural resources. Describe each group. -Preservationists: leave national natural resources alone-Conservationists: use national natural resources responsibly -Others: If the Federal reserve and Government are attempting to encourage growth and stimulate the economy, which actions would each take? (monetary / fiscal)answer choices- increase the Required reserve / increase government spending- sell government securities / decrease taxes- decrease the interest rate / increase government spending- buy government securities / decrease government spending on september 6, irene westing purchased one bond of mick corporation at 94.75%. the bond pays 8.25% interest on june 1 and december 1. the stockbroker told irene that she would have to pay the accrued interest and the market price of the bond and a $4 brokerage fee.what was the total purchase price for irene? assume a 360-day year (each month is 30 days) in calculating the accrued interest. (hint: final cost Which of the following are needed to describe the distribution of stock returns?a. the life span of the stockb. the variety of returnsc. the mean returnd. the standard deviation of returns is this statement true or false? the aegean sea is an arm of the mediterranean between turkey and greece. How was slavery different in Mesopotamia than it was here in the USA? If k3 9 = 12, what is the value of k?