besides removing waste products from the bloodstream, the urinary system performs many other functions, including which of the following?
Besides removing waste products from the bloodstream, the urinary system performs many other functions, including the following:
Erythropoietin production
Urine storage
Acid-base production
and
Blood volume production
release of adp by platelets is part of a positive feedback loop for platelet aggregation. group of answer choices A) True B) False
True, the release of ADP by platelets is part of a positive feedback loop for platelet aggregation.
Positive feedback is a homeostatic process that supports the body, in which the body's systems move away from an ideal state rather than maintaining an ideal state of the body.
Thrombin has a positive feedback loop. In the first positive feedback pathway, thrombin can increase the rate of prothrombinase formation by involving factor V. Prothrombinase that is formed will further increase the conversion of prothrombin to thrombin, and so on.
In the second positive feedback pathway, thrombin can activate platelets to amplify aggression and release phospholipids. Phospholipids released by platelets then activate factor X and together with factor V form prothrombinase.
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please hurry
What is the result of this mutation during the translation process?
Question 3 options:
The translation process will fail to begin.
Some of the proteins formed during translation will be unstable.
The mRNA will be translated at a faster rate than normal.
Everything after the mutation will be translated incorrectly
The result of this mutation during the translation process is that everything after the mutation will be translated incorrectly.
What is mutation?
A mutation in biology is a change in the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA's genome. Viral genomes can contain either DNA or RNA. Mutations occur as a result of errors in DNA or viral replication, mitosis, or meiosis, or other types of DNA damage (such as pyrimidine dimers caused by ultraviolet radiation exposure), which may then undergo error-prone repair (particularly microhomology-mediated end joining), cause an error during other forms of repair, or cause an error during replication (translesion synthesis). Mutations can also occur as a result of the insertion or deletion of DNA segments caused by mobile genetic elements.
Mutations can cause detectable changes in an organism's observable characteristics (phenotype).
Original DNA Sequence - GCA TAT GCT AATA GCG ACT
Mutated DNA Sequence - GCA TTG CTA TAG CGA CT
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At which level of body organization does copying of DNA take place?
Responses
organ system
organ system
organ
organ
tissue
tissue
cell
Answer:
Cell
Explanation:
DNA replication occurs in the nucleus in eukaryotic cells and in the nucleoid region of prokaryotic cells. Eukaryotic cells contain their DNA in the nucleus, and thus this is where DNA replication occurs.
A 10-year-old girl is brought to clinic for laboratory follow-up. Her mother was recently diagnosed with von Hippel-Lindau (VHL) disease, and the patient received genetic testing. Examination is unremarkable. Laboratory evaluation reveals a missense mutation in the VHL gene. Periodic surveillance with which of the following is most likely to be of benefit in this patient?
Bone marrow evaluation
Chest radiography
Colonoscopy
Echocardiograohy
Plasma metanephrines
Periodic surveillance of a patient whose mother has von Hippel-Lindau (VHL) disease and a missense mutation in the VHL gene will likely benefit the patient if plasma metanephrines is used which is therefore denoted as option E.
What is von Hippel-Lindau disease?This is referred to as a medical condition which is associated with tumors arising in multiple organs and it is hereditary and can be gotten from any of the parents.
Patients with von Hippel-Lindau (VHL) syndrome have a high chance of developing pheochromocytoma which is usually diagnosed by using plasma metanephrines present ion the blood of the patient.
This is therefore the reason why periodic sureveillance of plasma metanephrines will most likely benefit the patient in this type of scenario hence option E was chosen.
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Which two substances are used in only one of the three main steps of cellular respiration?
A. NADH B. ADP C. Glucose D. Oxygen
Answer: C. Glucose
D. Oxygen
Explanation: Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP. Generally speaking, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water.
Help me, this is due tomorrow and this is my last page. PLEASE
Use the picture and label the parts of the spinal reflex.
Spinal reflex is the stimulus of the body to an external environment. Spinal reflex is the total system of the nerve reflex.
What are the two types of spinal reflex ?The two types of spinal reflex are monosynaptic reflex arc and polysynaptic reflex arc.
The various types of reflex arc are :
1. The stretch reflex
2.The Golgi tendon reflex
3. The crossed extensor reflex
4. The withdrawal reflex
On the 1. point is the afferent impulses from the stretch receptors to spinal cord from which the mechanism begins. 2. cell body of the sensory neuron to which the various axons terminals along with the ion channels are activated.
On the 3rd are the structures are interneurons and on the 4th are efferent impulses that cause the contraction of the stretched muscles and retains the stretch of the stretched muscles. On the 5th are the efferent muscles that inhibit the contraction of the antagonistic muscles.
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When comparing the lytic and lysogenic cycle of bacteriophages. which of the following is uniquely characteristic of the lysogenic cycle?
A) Cell Lysis
B) Prophage
C) Replication of phage DNA D) Synthesis of phage proteins
The unique characteristic of the bacteriophages' lysogenic cycle when compared to the lytic cycle is b.prophage.
What is the lysogenic cycle?The lysogenic cycle is the viral genome replication cycle without destroying the host cell, but the virus integrates into the host chromosome. This integration process is called a prophage.
The lysogenic cycle does not involve host cell destruction/death processes. In this cycle, the DNA of the virus combines with the DNA of the bacterial cell to form a prophage. The goal of this cycle is to create a host cell that contains a prophage. Later the host cell will divide along with the replicating viral DNA.
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Help me, this is due tomorrow and this is my last page. PLEASE
Put the stages of the nitrogen in the correct order.
Decomposition
=Ammonification
=Denitrification
=Nitrification
Assimilation
= Fixation
The steps that make up the Nitrogen Cycle are nitrogen fixation, nitrification, assimilation, ammonification, and denitrification.
Process of Fixing Nitrogen
The nitrogen cycle's first stage is represented by it. Here, atmospheric nitrogen (N2) is transformed into ammonia, an useful molecule that is predominantly available in an inert form (NH3).
The inert form of nitrogen gas is deposited into soils during the nitrogen fixation process from the atmosphere and surface waters, primarily through precipitation.
Symbiotic bacteria known as diazotrophs finish the full nitrogen fixation process. A significant part of this process is also played by Azotobacter and Rhizobium.
Either atmospheric fixation, which includes lightning, or industrial fixation, which involves producing ammonia under extreme heat and pressure, are two ways that nitrogen can be fixed.
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Answer:
Explanation:
edmentum
List the three types of external processes and describe the role that each plays in the part of breaking down rock into sediment.
PLEASE HURRY DUE DEC 9th!!!!
(this is earth and space science they didn't have an option for it lol)
The impacts of wind and rain, which gradually reduce huge boulders into smaller ones, are included in erosion and weathering.
What processes breaking down rock into sediment?Agents of weathering include water, ice, acids, salts, plants, animals, and variations in temperature. After a rock has been fractured, the fragments of rock and mineral are carried away by a process known as erosion.
As a result of erosion and weathering, boulders and even mountains turn into sediments like sand or mud. Chemical weathering, or dissolution, is one type of weathering.
Therefore, The breakdown or dissolution of rocks and minerals on the Earth's surface is referred to as weathering.
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which process causes the water level to drop during droughts
Answer:
Droughts are caused by low precipitation over an extended period of time. Atmospheric conditions such as climate change, ocean temperatures, changes in the jet stream, and changes in the local landscape are all factors that contribute to drought
Explanation:
1. Which sitution would most likely decrease the
Carrying capacity for humans in a certain
region ?
A. Access to medical treatment
B. Air pollution
C. High-rise apartment buildings
D. Clean drinking water.
Air pollution would most likely decrease the carrying capacity for humans in a certain region.
select all o the following that are abiotic factors that you will compare between sampling sites sampleing ecosystme labs
Abiotic variables include things like sunlight, air, precipitation, minerals, and soil, to name a few. These elements significantly affect the persistence and procreation of species within an ecosystem. For instance, autotrophic organisms might not be able to exist without enough sunlight.
What are the four primary abiotic variables?
The nonliving components of the environment, or abiotic influences, frequently have a significant impact on living things. Water, sunlight, oxygen, soil, and temperature are examples of abiotic variables.
What three abiotic elements are present in an ecosystem?
Abiotic factors are non-living components of an ecosystem that influence their surroundings. Examples could be light, water, and temperature in a terrestrial habitat. Abiotic elements in a marine ecosystem would be salinity and ocean currents.
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charles mitter and colleagues found evidence that herbivory promotes high diversification rates by comparing the diversity of groups of herbivorous insects with the diversity of
Charles miter and colleagues found evidence that herbivory promotes high diversification rates by comparing the diversity of groups of herbivorous insects with the diversity of non-herbivorous sister groups
What is insect diversity?
Estimates of the overall number of bug species or those belonging to certain orders can vary greatly. These estimations on average suggest that there are around 1.5 million species of beetles and 5.5 million species of insects worldwide, with approximately 1 million insect species having been discovered and documented to far.
Over 50% of all identified eukaryotes (1.8 million), or between 950,000 and 1,000,000 species, are insects. With only 950,000 known non-insect species, if there are 5.5 million insects instead, they may make up more than 80% of the total. Additionally, with only 20,000 new species of all organisms being described annually, the majority of insect species are likely to remain undiscovered unless the rate of species descriptions significantly increases.
In terms of the number of described species among the 24 orders of insects, Coleopteran, Dipteran, Hymenoptera, and Lepidoptera account for at least 670,000 of the total.
Therefore the correct answer is non-herbivorous sister groups
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I understand that the complete question is Charles Miter and colleagues found evidence that herbivory promotes high diversification rates by comparing the diversity of groups of herbivorous insects with the diversity of
herbivorous mollusks. non-herbivorous sister groups. unrelated insect groups whose clades were the same age. the plants that the herbivorous insects used as a food source. the same insect groups in the fossil record.rasitic members of this phylum cause river blindness and elephantiasis. this phylum exhibits a radially symmetric head but a bilaterally symmetric body. trichinosis [trih-kih-noh-siss] is caused by a member of this
Members of nematoda phylum cause river blindness and elephantiasis. this phylum exhibits a radially symmetric head but a bilaterally symmetric body.
Phylum nematodes:Parasitic members of this phylum induce river blindness and elephantiasis. The body of this phylum is bilaterally symmetric, whereas the head is radially symmetric. A member of this phylum whose members lack (*) segmentation and have a two-ended digestive system without a stomach is the cause of trichinosis (pronounced trih-kih-NOH-siss). The model organism C. elegans, which Sydney Brenner investigated, is a member of the pseudocoelomate ["pseudo"-SEE-lum-ayt"] phylum, which also includes roundworms.The only eukaryotic cell without G-actin has been found to be the ameboid sperm of these creatures. They produce a collagenous cuticle, which they molt as they grow, but they lack a circular muscle layer. species within this phylum display a false.For more information on nematodes kindly visit to
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Changes in biodiversity are caused by a range of drivers. A driver
1x is any natural or human-induced factor that directly or indirectly causes a change in an ecosystem. The graph pictured shows the
impact of drivers on the biodiversity of different biomes. The cell color indicates the impact to date of each driver on biodiversity in each biome over the past 50-100 years. The arrows indicate the trend in the impact of the driver on biodiversity. Horizontal arrows indicate a continuation of the current level of impact; diagonal and vertical arrows indicate progressively increasing trends in impact. Consider the polar biome. Which driver is having the greatest impact on the biodiversity of this biome?
1x
A
overexploitation
1x
B
pollution
1x
C
climate change
1x
D
habitat change
The polar bear is one of the 10 most endangered species in the
×
US, critically threatened by the effects of human population. A polar bear is fit to swim 100 miles for food, in search of mates or,
more recently, just some ice to stand on. With five inches of blubber keeping this enormous bear prepared for subzero temperatures, the largest member of the bear family has remarkably adapted to Arctic conditions.
Based on the biodiversity data offered in the graph and what you know of human impacts on the environment, what is most likely to the greatest threat to polar bears?
1x
A
Polar bears are losing habitat to expanding human population growth.
x
B
Polar bears are nearing extinction due to the extreme impacts that human-caused climate change has had on the Arctic.
1x
C
Polar bears are losing food sources due to overfishing in the area.
1x
D
Polar bears are facing extinction due to effects of the ozone hole over the Arctic region.
1) It is to be noted that the driver is having the greatest impact on the biodiversity of the Polar Biome is "Climate Change" (Option C)
2) Based on the biodiversity data offered in the graph and what you know of human impacts on the environment, the most likely to greatest threat to polar bears is: "Polar bears are nearing extinction due to the extreme impacts that human-caused climate change has had on the Arctic." (Option B)
What is climate change?Long-term changes in temperature and weather patterns are referred to as climate change. These movements may be natural, but human activity has been the primary cause of climate change since the 1800s, mostly owing to the combustion of fossil fuels (such as coal, oil, and gas), which creates heat-trapping gases.
Temperature variations induce changes in rainfall. As a result, storms become more violent and frequent. Flooding and landslides ruin homes and communities while costing billions of dollars.
Cutting down forests to make farms or pastures, or for other purposes, creates emissions because trees release the carbon they have been storing when they are chopped down. Because trees absorb CO2, harming them reduces nature's capacity to keep carbon out of the stratosphere.
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please help!
In humans, hemophilia is a sex-linked recessive disorder, which results in an inability for blood to clot, causing people to bleed out. if a man who has hemophilia, marries a woman with no history of hemophilia innher family, show using a punnett square that there is no possibility of having a child with hemophilia.
No, child of the mentioned couple will be hemophilic, however 50% of the female child may become a carrier. The punnett square is attached below.
What is hemophilia?Hemophilia is a rare inherited blood disorder that occurs when the blood cannot clot and bleeding slows or stops. Hemophilia occurs when people do not have normal amounts of clotting factors. Clotting factors help blood to clot. Health care providers treat hemophilia by replacing missing clotting factors.
There are three types of hemophilia:
Hemophilia A: This is the most common form of hemophilia. Occurs when clotting factor 8 (Factor VIII) is deficient. The CDC estimates that about 10 in 100,000 people have hemophilia A.Hemophilia B: Hemophilia B occurs when you don't have enough clotting factor 9 (factor IX). The CDC estimates that about 3 in 100,000 of them in the United States have hemophilia B.Hemophilia C: Hemophilia C is also known as factor 11 (factor XI) deficiency. This type of hemophilia is very rare, at 1 in 100,000 people.Since, hemophilia occurs only in homozygous condition only. if a man who has hemophilia, marries a woman with no history of hemophilia in her family, then none of the offspring will inherit the disease. However, 50% of the female offspring might result as a carrier.
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Label each process of sedimentary rock formation in the appropriate order.
Which of A-F is not correctly matched?
A. More likely to cause GI tract upset than any other microbe: virus, e.g., rotavirus
B. Spirochete-causing STD: Treponema pallidum
C. Intracellular foodborne pathogen that can cause meningitis: Listeria monocytogenes
D. Gram-negative vectorborne pathogen that is at its most contagious if it enters the lungs: Yersinia pestis
E. This Gram + bacterium causes GI problems without being in your gut: Staphylococcus aureus
F. An intracellular pathogen; disease outbreaks associated with contaminated water used for commercial AC ventilation systems: Legionella
In the following matches all A-F are matched correctly.
What are Pathogens?Pathogens are defined as organisms that cause disease.
Our bodies are constantly being inhabited by microbes. But only when our immune system is weakened or when they enter a region of your body that is generally sterile do these germs become a problem. Once they enter the body, several infections have the power to cause mayhem. A pathogen doesn't even need its own body to survive and develop. Following the establishment of a base in the host's body, the virus avoids the host's immune responses and uses the body's resources to multiply before departing and moving on to a new victim.
Pathogens can be transmitted in a number of ways, depending on the type. They can be transmitted through skin contact, excrement, bodily fluids, airborne particles, and touching a surface.
The gastrointestinal tract is the portion of the digestive system that runs from the mouth to the anus (GI tract, digestive tract, or alimentary canal).
The main digestive system organs found in the GI tract of both humans and other animals include the esophagus, stomach, and intestines.
When food is eaten by mouth, digestion converts it into energy and releases nutrients; the leftover waste is subsequently expelled at the anus as feces. "Gastrointestinal" is an adjective that denotes something having to do with or pertaining to the stomach and intestines.
Hence, in the following matches all A-F are matched correctly.
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identify and describe one sustainable agriculture strategy or method that cna be used to maintain soil fertility
one sustainable agriculture method used to maintain soil fertility by means of cover crops. In addition to protecting the crops from the elements during the winter, they also help to stop erosion.
what is cover crop?
In agriculture, cover crops are plants that are sown primarily for the purpose of covering the soil rather than for harvesting. In an agroecosystem—an ecological system that is formed and controlled by humans—cover crops control soil erosion, soil fertility, soil quality, water, weeds, pests, diseases, biodiversity, and wildlife. After the cash crop is harvested, cover crops may be planted as off-season crops. Over the winter, they could grow. Because they increase the survival of the main crop being harvested, cover crops serve as nurse crops.
The main purpose of cover crops is to improve soil fertility. "Green manure" is the term used to describe these kinds of cover crops. They are employed to manage a variety of macronutrients and micronutrients in the soil. Since nitrogen is frequently the nutrient most limiting in crop yield, researchers and farmers have focused the most on the effect that cover crops have on nitrogen management.
To increase soil fertility and quality, green manure crops are frequently planted for a set amount of time before being ploughed under before they are fully mature. The remaining stalks prevent soil erosion. Leguminous, or belonging to the Fabaceae family of peas, green manure crops are typically grown.
The plants in this family, including the bean, lentil, lupin, and alfalfa, are all unique in that they all produce pods. Leguminous cover crops often have high nitrogen content and can frequently supply the necessary amount of nitrogen for crop productivity. This nitrogen is often added to soil in conventional farming as chemical fertiliser. It is known as the fertiliser replacement value of cover crops.
Another distinguishing characteristic of leguminous cover crops is their ability to develop symbiotic partnerships with the rhizobial bacteria found in the root nodules of legumes. The soil bacterium Bradyrhizobium sp. nodulates lupins (Lupinus). Bradyrhizobia are found in several leguminous crops (Argyrolobium, Lotus, Ornithopus, Acacia, Lupinus) with Mediterranean origin as microsymbionts. Biological nitrogen fixation is the process by which these bacteria transform physiologically inaccessible ambient nitrogen gas into biologically accessible ammonium.
Types of cover crops known as "catch crops" are used to retain and recycle soil nitrogen already present in addition to adding nitrogen to agroecosystems through biological nitrogen fixation. In order to prevent nitrogen from being lost through leaching, gaseous denitrification, or volatilization, catch crops are used to capture excess nitrogen left over from fertilising the preceding crop.
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PLEASE HELP !!!
Sound is a vibration that travels through ______ . some types of matter are made of pieces too small to be seen, called _______ . molecules are the ______ pieces that matter can be broken into without changing the kind of matter. when a string vibrates, it makes molecules of gases in the air next to it _______ . a vibration that spreads away from a vibrating object is a _______ . it carries the energy from the vibrating object outward in all ______ . when sound waves reach your ______ , they make the parts inside vibrate. since air is a mixture of _______ , you may conclude that sound can travel through gases.
a.SOUND WAVE
b. SMALLEST
c. VIBRATE
d. MOLECULES
e. MATTER
f. GASES
g. DIRECTIONS
h. EAR
Name the hormone whose production in inadequate amounts results in the following conditions. (Use your textbook as necessary.) 1. poor development of secondary sex characteristics 2. tetany 3. diabetes mellitus 4. abnormally small stature, normal proportions 5. myxedema
Hormones whose production in insufficient amounts results in the following conditions:
Poor development of secondary sex characteristics due to deficiency of the hormone testosterone.Tetany is caused by a deficiency of the parathyroid hormone.Diabetes mellitus occurs due to a deficiency of the hormone insulin.Abnormally small stature, normal proportions due to deficiency of growth hormoneMyxedema occurs due to low thyroid hormone (hypothyroidism)What are hormones?Hormones are chemical substances produced by endocrine glands that have certain effects on the activities of other organs in the body.
The function of hormones in humans is mainly related to:
Growth and development of the bodyDigestion of food Reproduction and sexual functionNutrient absorptionCognitive functionPerformance of the heart organSleep CycleLearn more about hormones secreted by the anterior pituitary gland here :
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How does diffusion occur in cells? Please submit your conclusion paragraph.
Diffusion is an essential process for the functioning of cells, as it allows for the exchange of materials and energy between the cell and its environment. Diffusion occurs when molecules move from an area of higher concentration to an area of lower concentration. This process occurs within the cell membrane, as molecules of solutes move across the membrane as well as through the membrane. Diffusion is important for the transport of substances across cells, which is necessary for metabolic processes and other essential functions. Diffusion is an important process that helps cells to maintain homeostasis.
What do granulosa cells secrete after ovulation?
After ovulation the granulosa cells turn into granulosa lutein cells that produce progesterone and estrogen.
What is granulosa cell ?Granulosa cell can be defined as a somatic cell of the sex cord that is closely associated with the developing female gamete in the ovary of mammals.
One of the basic formed of Granulosa cells is that it form a single layer around the mammalian oocyte in the primordial ovarian follicle and advance to form a multilayered cumulus oophorus surrounding the ovum in the Graafian follicle.
Therefore after ovulation the granulosa cells turn into granulosa lutein cells that produce progesterone, estrogen and other hormones.
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When a material is dissolved in another material it is a(n) _____________.
Group of answer choices
A. semipermeable membrane
B. isotonic
C. equilibrium
D. solution
When a material is dissolved in another material it is a solution. Thus, the correct option for this question is D.
What is Equilibrium?Equilibrium may be defined as the circumstance in which both the reactants and products are present in concentrations that have no further tendency to alter their concentrations with respect to time.
A semipermeable membrane may be characterized as a type of biological membrane that will permit the passage of certain molecules or ions to pass through it by osmosis.
An isotonic solution may be defined as a type of solution that contains an identical concentration of water and solutes as the cell cytoplasm.
Therefore, when a material is dissolved in another material it is a solution. Thus, the correct option for this question is D.
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Which process described shows the hydrosphere interacting with the lithosphere?
Responses
saltwater from an ocean meeting freshwater from a river at an estuary
river water eroding a rocky bank and carrying silt to the sea
a meteor burning up in the mesosphere
a volcano spewing clouds of ash that delay airplane flights throughout Europe
The process described which shows the hydrosphere interacting with the lithosphere is river water eroding a rocky bank and carrying silt to the sea which is therefore denoted as option B.
What is Hydrosphere?
This is referred to as the combined mass or quantity of water found on the plant such as earth and it comprises of different water bodies such as rivers, seas etc.
Lithosphere on the other hand is referred to as the solid, outer part of Earth which consists of the upper portion of the mantle and the crust in the form of rocks etc.
Water is very important in the ecosystem and is the reason why it is recycled so as to enable its presence which is usually in the form of precipitation. River water which is part of the hydrosphere erodes a rocky bank which forms part of the lithosphere.
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Answer:r river water
Explanation:
took the test
Which event accounts for the probability that a particular allele will be packaged in a given gamete?
A
joining of a sperm and egg cell
random chromosome segregation
B
C
D
mitotic cell division
protein synthesis
These bound homologous pairs are separated and positioned in the centre of the cell during metaphase I of meiosis I. The many alleles for each gene are thus functionally isolated.
What roles do the chromosomes perform?
a material found in a cell's nucleus. Proteins and DNA are arranged into genes on a chromosome. There are typically 23 sets of chromosomes in every cell.
Which chromosome is the gender chromosome?
The X and Y chromosomes determine whether you are a male or a girl when you are born. In biology, sex chromosomes are known as: In females, there are two X chromosomes. One X and one Y chromosome are found in every male.
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Which statement describes the relative age of a fossil that has formed inside a layer of rock?(1 point) Responses The fossil is older than the layer of rock right below it. The fossil is older than the layer of rock right below it. The fossil is younger than the layer of rock right above it. The fossil is younger than the layer of rock right above it. The fossil is younger than the layer of rock it was formed in. The fossil is younger than the layer of rock it was formed in. The fossil is older than the layer of rock it was formed in.
In general, it is thought that fossils found in the lower strata of rock are older than those found in the upper layers.
What is a layer of rock?There are two methods that scientists employ to date rocks and fossils, according to their relative position younger rocks are placed on top of older rocks.
Relative age dating is used to identify whether a rock layer or the fossils contained within it is older or younger than another.
Therefore, because they reveal the relative ages of the rock layers in which they are found, index fossils are helpful.
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