Genome-wide expression studies use DNA microarray assays to detect the locations of proteins produced by cells.
DNA microarray is a technology used to view the order of nucleic acid sequences in a certain location and can be used to analyze thousands of samples simultaneously.
Microarray applications are often used in cancer detection, where cancer cells have abnormalities in their gene expression. This technique also makes it possible to determine the developmental stage of cancer cells by comparing their expression levels with specific probes already present on the microarray.
The question is multiple choice:
A) fate of proteins produced by a cell.
B) location of a protein produced by a cell.
C) location of a gene within a cell.
D) expression of a specific gene by a cell.
E) type of chemical modification of proteins produced by a cell.
The true choice is B.
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cell division that reduces chromosome number from diploid to haploid, reduction division
Cell division that reduces chromosome number from diploid to haploid, reduction division is Meiosis.
Meiosis is a special form of cell division that occurs only in the testes and ovaries. An organ that produces male and female reproductive cells. sperm and egg.A normal somatic cell has a complete set of chromosomes. When the cells of the mother's and father's bodies fuse to produce a baby, the fertilized egg will have double the original number of chromosomes.
Meiosis is sometimes called "meiosis" because it reduces the number of chromosomes by half. So when the sperm and egg fuse, the baby will have the correct number. Therefore, the purpose of meiosis is to produce gametes, sperm and eggs with half the genetic complement of the parent cell. In this example, the diploid somatic cell contains 2n = 4 chromosomes. , two from the mother and two from the father. In humans, 2n = 46 and n = 23.
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according to the world resource institute, biodiversity is the variety of the world's organisms, including their genetic diversity. in a world of genetically modified (gm) crops, agriculture is greatly reducing the genetic diversity of the plants on earth. by ignoring genetic diversity, while we develop gm products, we run several risks that include all but one listed here. responses a reduced biodiversity of important food crops.reduced biodiversity of important food crops. b increase production while reducing environmental impacts.increase production while reducing environmental impacts. c the extinction of many native or indigenous crops.the extinction of many native or indigenous crops. d a disease or pest emerging that will wipe out the gmos.
In a world of genetically modified (GM) crops, agriculture is greatly reducing the genetic diversity of the plants on earth and by ignoring genetic diversity, the risk of the extinction of many native or indigenous crops that are present in Option C is increased.
What are the harmful impacts of the GM plants?The genetically modified plants are produced for the superior variety, for more nutrition in a particular food, but the result is not a healthy option for humans because the GM plants are not friendly to the gut bacteria, and there are many other harmful impacts too.
Hence, by ignoring genetic diversity, the risk of the extinction of many native or indigenous crops that are present in Option C is increased.
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37 A population of blackbirds in Scandinavia has evolved to migrate to warmer climates in the winter. Evolution has occurred in this population through a _[blank]_.
A population of blackbirds in Scandinavia has evolved to migrate to warmer climates in the winter. Evolution has occurred in this population through a Behavorial adaptation.
What is Behavorial adaptation?
Behavioural adaptations refer to any action a plant or animal makes to thrive in a given environment. Because the term "behave" is present in the name and refers to how we behave, it is simple to recall that behavioural adaptations are about behaviours.
Organisms use behavioural adaptations to help them survive. Bird migration and calls are two examples of behavioural adaptations. Evolution is the cause of adaptation. A species changes over a lengthy period of time through evolution.
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A population of blackbirds in Scandinavia has evolved to migrate to warmer climates in the winter. Evolution has occurred in this population through a Behavorial adaptation.
What is Behavorial adaptation?Behavioural adaptations refer to any action a plant or animal makes to thrive in a given environment. Because the term "behave" is present in the name and refers to how we behave, it is simple to recall that behavioural adaptations are about behaviours.
Organisms use behavioural adaptations to help them survive. Bird migration and calls are two examples of behavioural adaptations. Evolution is the cause of adaptation. A species changes over a lengthy period of time through evolution.
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which outcome could be expected in a family that carries an x-linked recessive trait?
Woman that carries an altered gene for X-linked recessive trait have 50 percent chance of having sons affected and a 50 percent chance that daughters will carry one copy of the altered gene.
In general, in X-linked recessive inheritance, daughter carry forward single mutated gene on the X chromosome . The other X chromosome she inherits from the other parent will nullify effect of the mutation, and she will not have the genetic condition.
Hence, X-linked recessive inheritance refers to genetic conditions that associated with mutations in genes on the X chromosome. So ,if the male carrying such a mutation he will be affected because of only one X chromosome.
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Place the following events in order starting with the vibration of the oval window and ending with the depolarization of hair cells. Rank the options below. Basilar membrane moves up and down Potassium ions enter hair cell causing depolarization Inner hair cells are pushed against the tectorial membrane Oval window vibrates Pressure wave travels through the perilymph of the scala vestibuli Stereocilia bend and tip-link proteins open potassium channels
The events of hearing mechanisms follows the given order:
Oval window vibrates.Pressure waves travel through the perilymph of the scala vestibuli.Basilar membrane moves up and down.Inner hair cells are pushed against the tectorial membrane.Stereocilia bend and tip - link proteins open potassium channels.Potassium ions enter hair cell causing depolarization.What do you mean by depolarization?
Depolarization or Hypopolarization is a change inside a phone, during which the phone goes through a change in electric charge circulation, bringing about more positive charge inside the phone contrasted with the outside. Depolarization is crucial for the capability of numerous cells, correspondence among cells, and the general physiology of an organic entity.
Activity possible in a neuron, showing depolarization, in which the cell's inside charge turns out to be more positive (more certain), and repolarization, where the interior charge gets back to a more regrettable worth.
Most cells in higher organic entities keep an inner climate that is adversely charged comparative with the cell's outside. This distinction in control is known as the cell's layer potential. During the time spent depolarization, the negative interior charge of the phone briefly turns out to be more sure (more positive). This shift from a negative to a more certain film potential happens during a few cycles, including an activity potential. During an activity potential, the depolarization is enormous to such an extent that the possible distinction across the phone layer momentarily inverts extremity, with within the phone turning out to be decidedly charged.
The adjustment of charge normally happens because of a convergence of sodium particles into a cell, despite the fact that it tends to be interceded by a flood of any sort of cation or efflux of any sort of anion. Something contrary to a depolarization is known as a hyperpolarization.
Use of the expression "depolarization" in science contrasts from its utilization in physical science, where it alludes to circumstances in which any type of extremity ( for example the presence of any electrical charge, whether positive or negative) changes to a worth of nothing.
Depolarization is once in a while alluded to as "hypopolarization".
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The vibration of a oval window is followed, in chronological order, by the depolarization of hair cells.
1. Oval window vibrates
2. Pressure wave travels through the perilymph of the scala vestibuli
3. Basilar membrane moves up and down
4. Stereocilia bend and tip-link proteins open potassium channels
5. Inner hair cells are pushed against the tectorial membrane
6. Potassium ions enter hair cell causing depolarization
What is oval?
Oval is a shape that is elongated, having two ends that are somewhat pointed and two curved sides. It is similar to a circle, but its ends are more pointed, making it longer horizontally than vertically. It is an important shape in the fields of engineering, architecture, and design. In engineering, it is used to describe the cross-sectional shape of objects such as pipes and tubes. In architecture and design, it is often used as an aesthetic element, such as the curved lines of a chair or the curved edges of a window. It is also commonly used in logos and other graphics.
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Reactive oxygen intermediates and reactive nitrogen intermediates produced by phagocytic cells are effective in killing invading microorganisms.
a. True
b. False
True Reactive oxygen intermediates and reactive nitrogen intermediates produced by phagocytic cells are effective in killing invading microorganisms.
Helps control microbes and tumors.M cells are specialized cells found in the intestineThey transport antigens across the epithelial barrier to immune cells and initiate immune responses. Known as MICROFOLD CELLS (M cells) Antigens are recognized by the presence of surface receptors.It takes up antigens by endocytosis or phagocytosis and delivers them to immune cells.(FA-goh-site) A type of immune cell that can surround and kill microorganisms, ingest foreign material, and remove dead cells. It can also boost immune responses. Monocytes, macrophages, and neutrophils are phagocytes. A phagocyte is a type of white blood cell.
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In animals, what is the difference between reproductive cloning and therapeutic cloning?
Making genetic clones of complete organisms is known as reproductive cloning. Making genetic clones of tissues or organs in order to restore lost or damaged bodily components is therapeutic cloning.
The intentional creation of individuals who are genetically identical is known as reproductive cloning. Each freshly created person is a duplicate of the original. Twins that are monozygotic are biological clones. Every cell in clones' bodies has identical genetic material in the nucleus, which is where the chromosomes are located. Thus, the DNA and genes in the nuclei of cells from two clones are identical. The goal of therapeutic cloning is to create embryonic cell lines with the same genome as the nuclear donor by transferring separated nuclear material from a somatic cell into an enucleated egg.
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The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport chain. The energy from the electron transport chain is used for oxidative phosphorylation. For each part, select all that apply.
(a) Which compounds donate electrons to the electron transport chain?
1. H2O
2. NADH
3. NAD+
4. ATP
5. ADP
6. O2
7. FADH2
8. FAD
(b) Which of the following is the final electron acceptor?
1. H2O
2. NADH
3. NAD+
4. ATP
5. ADP
6. O2
7. FADH2
8. FAD
(c) Which of the following are the final products of the electron transport chain and oxidative phosphorylation?
1. H2O
2. NADH
3. NAD+
4. ATP
5. ADP
6. O2
7. FADH2
8. FAD
The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport chain. The answers are as;
a) 1. NADH and 7. FADH2
b) 6. O2
c) 3. NAD+, 1. H2O, 4. ATP and 8. FAD
Oxygen is the ultimate electron acceptor, and it combines with hydrogen ions to produce H2O. This process occurs at the conclusion of the electron transport process.
ATP molecules, which are carriers of energy, would be the final outcome of the oxidative phosphorylation process.
(a) NADH and FADH2 donate electrons to the electron transport chain.
(b) O2 is the final electron acceptor.
(c) NAD+, H2O, ATP, and FAD are the final products of the electron transport chain and oxidative phosphorylation.
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the lack of movement leads to a reduction in muscle strength due to disuse, a sign of reduced muscle size known as atrophy. true
The claim that a lack of action causes muscles to weaken owing to disuse and atrophy, an indication of less muscle size, is valid.
The term "atrophy" refers to the withering away or shrinkage of a physical component, which ultimately reduces the function of the affected region. Factors connected to diseases, the environment, lifestyle, or genetics can all contribute to atrophy. A visible weakening in one area of the body or one limb seeming smaller than the other are common signs of atrophy. Atrophy can be brought on by a number of ailments, illnesses, or wounds, some of which we shall discuss in this session.
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what will happen if the ecological relationships on ecosystem stop functioning
A mutualistic relationship between species in an ecosystem allows for ecosystem to thrive, but lack of this relationship could lead to collapse of the entire system
Ecological imbalance is when a natural- or human-caused disturbance disrupts natural balance of an ecosystem.
The balance of an ecosystem can be disrupted by the natural or human-caused disturbances.
If species disappears or new species is introduced it can shift an ecosystem to state of ecological imbalance.
If ecological balance is not maintained:
Disturbances of ecological balance include loss of primary producers, loss of habitat, introduction of invasive species, anthropogenic changes, natural disasters, loss of species diversity.
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after the passage of the action potential, the sodium-potassium pump re-establishes the resting membrane potential. t or f
After the passage of the action potential, the sodium-potassium pump re-establishes the resting membrane potential. This statement is True.
The Na+ K+ pump is an electrogenic transmembrane ATPase that was initially identified in the cytosolic side of the outer plasma membrane of cells in 1957. [1] [2] For every ATP that is used, the Na+ K+ ATPase pumps 3 Na+ out of the cell and 2K+ back in. Asymmetrically ordered lipid bilayers, including proteins, phospholipids, glycolipids, sphingolipids, and cholesterol, make up the plasma membrane. [3] [4] Osmotic balance and membrane potential in cells are kept in check by the Na+K+-ATPase pump.The gradients of concentration are resisted by the sodium and potassium. The gradient between a higher quantity of sodium extracellularly and a higher level of potassium intracellularly is maintained by the Na+ K+-ATPase pump. The sustained concentration gradient plays an ongoing role in stabilizing the cell's resting membrane potential, controlling the cell volume, and regulating cell signal transduction. It is essential for physiological processes in many organs. [2] Other physiological activities that depend on it include the formation of the neuronal action potential, sperm motility, and preservation of the nephrons' ability to filter waste materials.
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URGENT!!!!
1. Briefly discuss how Glycocalyx acts as an important virulent factor of a pathogneic bacteria.
2. Explain the causes and consequences of Antibiotic resistance in Bacterial pathogens.
glycocalyx an important virulence factor as it impairs phagocytosis of Bacteroides spp. Antibiotic resistance occurs when bacteria change in response to the use of these medicines. Bacteria, not humans or animals.
what are the function of glycocalyx ?glycocalyces are seen in prokaryotic cells while eukaryotic cells can also have glycocalyces particularly observed in single celled eukaryotic organisms.
The glycocalyx in eukaryotic cells do same functions as that of the prokaryotic cells' glycocalyx. It functions for cell to cell interaction, for adhesion to surfaces, and involve in protection.
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Meiosis does PMA twice! That means there is a prophase I and a prophase II.
Meiosis is in metaphase I or II if in the middle of the cell, there are homologous chromosomes or duplicated chromosomes/sister chromatids .
How does meiosis occur?Meiosis occurs when a single cell divides twice and proceeds to produce cells of four containing a half of the original form of genetic material buried within the cell. These are known as sex cells -sperm in males and eggs in females.
There are homologous chromosomes (metaphase I) or duplicated chromosomes/sister chromatids (metaphase II) in the middle of the cell. These are when meiosis is recognized as being in metaphase.
The complete question is:
Meiosis does PMAT twice! That means there is a prophase I and a prophase 2. There is a metaphase1 and metaphase 2. Etc... How would you know whether it was in metaphase 1 or metaphase 2
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What does light do when it strikes the chlorophyll molecules of photosystems i and ii
Electrons are activated by light, gaining energy, and moving along an electron transport chain encased in the thylakoid membrane.
What is an Electron transport chain?An electron transport chain is a collection of protein complexes and other molecules that connect protons (H+ ions) across a membrane with the transfer of electrons from the electron donors to the electron acceptors via redox processes (both reduction and oxidation occur simultaneously). The ETC receives its electrons from NADH and FADH2 through the cooperation of four big multi-subunit enzyme complexes and two mobile electron carriers. The electron transport chain contains large number of membrane-bound enzymes.
The electron transport chain is an exergonic process that moves electrons. An electrochemical proton gradient generated by the energy from the redox reactions produces adenosine triphosphate as a result (ATP). In aerobic respiration, molecular oxygen serves as the ultimate electron acceptor, stopping the flow of electrons. Sulfate is one of the other electron acceptors employed in anaerobic respiration.
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Unlike signal transduction in many other sensory receptors, signal transduction in rods?
a. results in hyperpolarization of the sensory cell.
b. does not involve the participation of a G protein.
c. takes place entirely in the plasma membrane.
d. involves a second messenger.
Option A. Results in hyperpolarization of the sensory cell. In signal transduction in rods, the Rhodesian protein of the rod photoreceptor absorbs light, which leads to a conformational change in the protein.
Signal Transduction in Rod Photoreceptors: Hyperpolarization of the Sensory CellOption A. Results in hyperpolarization of the sensory cell.When the Rhodopsin protein absorbs light, it activates a G-protein called transducin. This then activates an enzyme called phosphodiesterase, which hydrolyses a molecule called cGMP. The decrease in cGMP causes the membrane potential of the rod photoreceptor to become more negative, which is known as hyperpolarization. This hyperpolarization produces an electrical signal that is sent to the brain and enables us to detect light.
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(PLEASE ANSWER ASAP!) Use the word bank to fill in the rock cycle steps in the diagram below. You many only use each word 1 time. 2 of the words will not be used at all.
Word Bank:
Erosion, Heat and Pressure, Metamorphic Rock, Magma, Sedimentary Rock, Igneous Rock, Compaction, Melting
1.
2.
3.
4.
5.
6.
7.
8.
The rock cycle attached is labeled accordingly:
ErosionCompactionSedimentary rockHeat and PressureMetamorphic rockMeltingMagmaCooling.What is the rock cycle and why is it important?The rock cycle describes how the three types of rocks are connected to one another and how processes shift from one type to another through time. This cyclical component causes the rock to alter a geologic cycle as well as a biogeochemical cycle on planets with life.
The degradation of rocks eventually forms the soil in which we grow our plants, and scientists and engineers research the rock cycle in order to find the best energy sources and building materials.
Weathering and erosion, transport, and deposition would all come to a halt if the rock cycle did not exist. Scientists believe that if all of the active processes of the rock cycle stopped, our planet would be unable to support any life.
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hemophilia a is an x-linked recessive disorder characterized by lack of a functional factor viii, a protein involved in blood clotting. in one population, the frequency of the normal allele, x 1, is 0.98 and the frequency of the mutant allele that causes hemophilia a, x 2, is 0.02.
In this population, hemophilia A affects 2% of the males.
Why is hemophilia A a condition that is X-linked recessive?Due to the fact that males only have one X chromosome, hemophilia is a hereditary condition that is X-linked and recessive in nature. Females are typically carriers since they have an extra X chromosome, however heterozygous carriers frequently exhibit hemophilia symptoms.
Is factor 8 a problem with blood clotting?The Hemophilia is an additional genetic clotting condition that involves factor VIII. Von Willebrand disease, however, affects both sexes equally and is typically more mild than hemophilia, which primarily affects men.
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Which is the best description of a molecule?
A molecule of an element is composed of at least two types of atoms.
A molecule of a compound is composed of only one atom.
A molecule of a compound is composed of at least two atoms.
A molecule of an element is composed of exactly two types of atoms.
Answer:
A molecule of element is composed of at least two types of atoms.
how did seeds and other adaptations in seed plants contribute to the rise of seed plants and their dominant role in plant communities today?
Answer:
Seeds and other adaptations in seed plants allowed for the success and dominant role of seed plants in plant communities today. Seeds provided an efficient way to disperse and store nutrients, allowing plants to colonize new areas and spread their gene pool farther. Additionally, seed plants evolved specialized structures such as leaves and stems that enabled them to compete more effectively with other species for light and resources. This allowed them to become dominant in many different habitats. Through the process of natural selection, the most successful adaptations were passed down to future generations, allowing seed plants to survive and thrive in a variety of environments. This ultimately led to their current status as one of the most common and widespread types of plants in the world.
Explanation:
A folded membrane that forms a network of interconnected compartments in the cytoplasm is called: ______
A folded membrane that forms a network of interconnected compartments in the cytoplasm is called: Endoplasmic Reticulum(ER)
Endoplasmic Reticulum(ER) is a part of the cell. Every eukaryotic cell contains an Endoplasmic Reticulum. It is a continuous membrane within the cytoplasm of the eukaryotic cell.
Endoplasmic Reticulum can be found in animal cells. In animal cells, more than half of the membranous contents of the cell are usually occupied by Endoplasmic Reticulum. It serves various functions such as helping in a process of synthesis, folding modification, and transport of protein. Depending upon certain physical and functional characteristics Endoplasmic Reticulum can be differentiated into two types, which are called Rough Endoplasmic Reticulum and Smooth Endoplasmic Reticulum.
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a mutation that occurs in a somatic cell in an organism will most likely be transferred to?
Germ-line mutations occur in reproductive cells and are passed to an organism's offspring during sexual reproduction.
What is the result of a mutation that occurs in somatic cells?Somatic mutations can occur in any of the cells of the body except the germ cells and therefore are not passed on to children. These alterations can but do not always cause cancer or other diseases.The sperm and egg pass from parents to their children, so the mutation is inherited. You can't inherit somatic mutations because they occur randomly in cells that aren't the sperm or egg.Somatic cells are cells in the body that are not sperm or egg cells (germ cells). Somatic cells in humans are diploid, which means they have two sets of chromosomes, one from each parent.Learn more about somatic cells here: brainly.com/question/11348645
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if forward head posture is permitted during the drawing-in maneuver, what muscle may be preferentially activated, leading to poor muscle balance throughout the spine?
The “core” muscles: Multifidus; Transverse Abdominis; Pelvic Floor; Diaphragm. When they work in coordination with each other, they stabilize the spine & pelvis which can aid in the reduction of low back pain.
Nonstructural scoliosis, also known as functional scoliosis, is the form of scoliosis caused by an imbalance in the muscles. Muscles shorten during a concentric contraction, producing force. Muscles extend as a result of eccentric contractions in reaction to a stronger opposing force. The traditional exercise to target the transversus abdominis is the plank, but according to a study by Australian researchers, "the inward movement of the abdominal wall while supine" (also known as doing a hollow hold) may result in even more muscle activation. According to Cesar et al.13), FHP often shortens the SCM muscle in addition to the neck extensor muscles, such as the splenii and upper trapezius. FHP also weakens scapular retractors like the middle trapezius as well as the cervical flexor muscles.
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in response to falling blood glucose levels, which pancreatic islet cell releases glucagon?
islets of Langerhans is the pancreatic islet cell releases glucagon.
Pancreatic islets, also called islets of Langerhans, are a group of cells in the pancreas. The pancreas is an organ that makes hormones that help the body break down and utilize food.The pancreatic islets contain several types of cells, including beta cells that produce the hormone insulin.
Pancreas. Pancreatic islet cells are the main source of insulin and glucagon, produced by β- and α-cells, respectively. Hormone secretion from pancreatic islets is primarily regulated by glucose concentration.
's islets have a complex structure, consisting of her four cell types: A (alpha), B (beta), D, and F cells. The four cell types are not evenly distributed within the islets or throughout the pancreas.
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Organization:
1. Is your organism unicellular or multicellular? Prokaryotic or Eukaryotic? Describe the cells.
2. What unique physical characteristics does it have? (Color, shape, size, body systems, etc.)
Response to Stimuli:
3. What type of environment does your organism live in? (Forest, trees, ocean, far away planet, etc.)
4. How does your organism respond to its environment? (In other words, does it have a strong reaction to
light, pain receptors, breathe oxygen, senses, etc.)
Eukaryotic cells are fungi and protists and plants and animals; prokaryotic cells include bacteria Paramecium, a unicellular organism, is prokaryotic Since it is made of many cells, a bacterial colony is a multicellular organism.
What is the expected functional consequence of movement of a transposable element within the genome?
All of the listed responses are correct regarding the functional consequence of the movement of a transposable element within the genome.
Increased production of a protein Decreased production of a proteinAbnormal transcription of a geneA gene is the fundamental physical and purposeful unit of heredity. Some genes act as instructions to make molecules referred to as proteins. but, many genes do now not code for proteins.
Our genes incorporate instructions that inform your cells to make molecules referred to as proteins. Every gene includes commands that determine your functions, together with eye color, hair shade and height.
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what event made it possible for photons to begin to travel freely through the universe when the universe was about 380,000 years old?
The universe had expanded and cooled enough for electrons to combine with nuclei to form neutral atoms.
The universe is all of space and time and its contents, along with planets, stars, galaxies, and all other forms of count number and strength. The huge Bang theory is the winning cosmological description of the improvement of the universe.
The Universe is thought to consist of three types of substance: normal remember, 'dark count number', and 'dark energy. Regular remember consists of the atoms that make up stars, planets, human beings, and every different seen object in the Universe.
The actual spatial length of the universe is unknown. but, through measuring the observable universe, the current length of the universe is approximately ninety-five billion mild-years in diameter.
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Select the part whose main job is to store nutrients, water, and waste in a plant cell.a. endoplasmic reticulum b. vacuolesc. nucleus
Answer: Vacuoles
Explanation:
Where do the preganglionic neurons of the sympathetic division originate in the cns?
The sympathetic nervous system is crucial for maintaining body balance while at rest and for triggering the "fight-or-flight" response in dangerous situations.
The second, third, and fourth segments of the sacral gland in spinal cord are where the preganglionic nerves of the sacral division of the para-sympathetic nervous system, which innervate the tract, originate. These nerves then go through the pelvic nerves to the distal portion of the large intestine.Increased heart rate, mydriasis of the eye, vasoconstriction, bronchodilation, energy release from the liver, and adrenaline release from the suprarenal gland are all symptoms of stress on the body.To enable a sufficient reaction to a threat or trauma, the sympathetic system activates a number of intricate pathways. Faster breathing, elevated heart rate and blood pressure, dilated pupils, diversion of blood flow to vital organs (such as the brain and muscles), and increased sweating are a few of these physical impacts.To know more about sympathetic check the below link:
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the prey of one species might also be the predator of another species.; what will happen to an ecosystem that is experiencing a prolonged drought?; what distinguishes rainforests from temperate forests?; which shows the correct order of increasing trophic level, from producer to tertiary consumer?; how does biodiversity affect the stability of an ecosystem?; how does an ecosystem transition from primary succession to secondary succession?; which ecosystems would you expect to have the greatest access to sunlight?; explain why quaternary consumers occupy the top position in the pyramid of energy.
When an ecosystem experiences a lengthy drought, the available resources are insufficient to maintain the organisms' population, thus they will either move or start to perish. An ecosystem's population will fluctuate depending on the amount of water available.
When there are too many predators and not enough prey, predators starve to death because they are unable to find adequate food. An overabundance of prey and a dearth of predators contribute to the development of disease and the depletion of resources for prey species and other species that live in their ecosystem.
Because they control the numbers of their prey, predators are crucial to ecosystems. In the absence of predators, prey can overpopulate. In addition to causing disease outbreaks that may spread to domesticated animals, this may also cause harm to nearby flora.
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the number of genes estimated in the human haploid genome is about 21,000. how many genes are present in a zygote?
There are 42,000 genes present in a zygote if the number of genes estimated in the human haploid genome is about 21,000.
The 3 billion base pairs of DNA that make up the human genome are arranged into 23 different chromosomal pairs. There are 6 distinct gene types known to science: 1. 2. complementing genes 3. duplicate genes 4. polymeric genes Gene modification: 5. Lethal Genes: 2, 6, and 7. Transient Genes. Although the precise number of genes in the human genome is unknown, it is believed to be between 21,000 and 25,000.
The number of genes is doubled when two haploid genomes are combined (fertilization)
At all stages of development, the human population has an identical amount of genes. As you develop from a zygote to an embryo to a child to an adult, the number of genes doesn't vary.
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