Answer:
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Explanation:
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Amoeba Sisters Video Recap: DNA Replication // ANSWER KEY
DNA replication is the process in which the DNA is unzipped and a copy of each strand is made, and this takes place in both bacteria and eukaryotes for the growth of the cell.
What role does DNA replication play?Both eukaryotes and prokaryotes have DNA replication mechanisms that are similar to some extent but also distinct, as bacteria have single circular DNA and eukaryotes, such as humans, have linear DNA. However, they are similar in terms of the DNA unzipping, formation of leading and lagging strands, etc. that form two DNA copies from one.
Hence, DNA replication is the process in which the DNA is unzipped and a copy of each strand is made, and this takes place in both bacteria and eukaryotes for the growth of the cell.
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A genetic mutation occurs in a rabbit's muscle cell. This genetic mutation will be passed on to.
Ans.
Mutations are permanent changes in genetic material, due to alteration in nucleotide sequence of DNA molecule. Mutations are transferred from parent cell to daughter cells, as when a mutated cell undergoes cell division, the altered DNA get passed to the resulting daughter cells.
Therefore, if a genetic mutation occurs in a muscle cell of rabbit, it will pass to the daughter cells produced by mutant muscle cell.
Thus, the correct answer is option). cells that are produced when the mutant cell divides.
Answer:cells that are produced when the mutant cell divides
Explanation:
glucose, fructose, and galactose are examples of hexose sugars (sugars with 6 carbons). how many hydrogen and oxygen atoms will each of them have?
Glucose, fructose, and galactose are all hexose sugars, meaning they each contain 6 carbon atoms. Each of these sugars contains 12 hydrogen atoms and 6 oxygen atoms, as denoted by their respective chemical formulas.
Glucose, fructose, and galactose are three examples of hexose sugars. Hexose sugars are monosaccharides, meaning that each of these sugars is composed of a single molecule, and contain six carbon atoms. The number of hydrogen and oxygen atoms found in each of these sugars will depend on the specific chemical formula of each sugar.
Glucose is a six-carbon sugar with chemical formula C6H12O6. This means that glucose contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms.
Fructose is also a six-carbon sugar, but with a different chemical formula than glucose. Fructose has a chemical formula of C6H12O6, meaning it contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms, just like glucose.
Galactose is a six-carbon sugar with chemical formula C6H12O6. This means that galactose contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms, just like glucose and fructose.
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Where is the problem in Claire's digestion?
Because the intestine is responsible for absorbing the majority of the nutrients obtained from eating and drinking food stuff, Claire's digestion .
Large, water-insoluble food molecules must be broken down into smaller, water-soluble food molecules during digestion in order to be absorbed into the watery blood plasma. These tiny chemicals are absorbed through the small intestine and into the blood stream in some species. Based on how food is digested, digestion, a type of catabolism, is sometimes split into mechanical and chemical digestion processes. The physical breakdown of large meal items into smaller, more manageable parts is referred to as mechanical digestion.
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8. Understand what happens when cells are placed into hypertonic solutions (They______ solutions (They_____ or into hypotonic 9. What is turgor pressure in a plant cell? If a house plant is placed into a hypertonic environment (ie salt water) what will happen?
Answer:
8. When cells are placed into a hypertonic solution, water will tend to move out of the cells and into the surrounding solution. This can cause the cells to shrink, a phenomenon known as crenation. In contrast, if cells are placed into a hypotonic solution, water will tend to move into the cells, causing them to swell and potentially burst.
9. Turgor pressure is the pressure exerted by the contents of a cell against the cell wall. In plant cells, turgor pressure is important for maintaining the shape and rigidity of the plant. When a plant is placed in a hypertonic environment, the loss of water from the cells can reduce turgor pressure and cause the plant to wilt or droop. This can make the plant less able to support itself and may affect its ability to grow and function properly.
Is atherosclerosis the same as high cholesterol?
No. atherosclerosis is not the same as high cholesterol.
Your blood arteries become clogged with a plaque as a result of elevated cholesterol. Atherosclerosis is the medical term for this plaque development. Atherosclerosis increases the likelihood of developing a wide range of illnesses.
If blood cholesterol levels are excessively high, deposits (plaques) of cholesterol and other compounds may develop on artery walls. An artery may constrict or get blocked as a result of plaque. Whenever a plaque breaks, a blood clot may result.
High blood cholesterol can be caused by a variety of lifestyle choices, such as smoking, eating poorly, and not exercising, as well as underlying medical conditions such as high blood pressure or diabetes.
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What are 3 ways biology affects the world around you?
Less and less habitat is available for other biology affects species on Earth as people divert more land and resources to their own interests.
How does biology impact the environment around us?Biology is a branch of study that aids in our understanding of how the living world functions, evolves, and interacts with its numerous species, including humans. The standard of living has increased thanks to developments in biology in many fields, including medicine, agriculture, biotechnology, and many more.
What three aspects of biology impact your life the most?The primary focus of biology research is life, first and foremost. Second, it offers a comprehensive, scientific explanation of how all living and nonliving organisms interact with one another. Thirdly, it reveals the diversity of life forms.
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What is the diameter of a capillary tube in which mercury?
The diameter of a capillary tube is 2.5135m
What is capillary tube?Capillary tubes are those with very small diameters (narrow cylindrical tubes). When these small tubes are immersed in a liquid, the liquid in the capillary either rises (or lowers) relative to the surrounding liquid level. This phenomenon is known as capillary action, and such tubes are known as capillary tubes.
Rise in capillary is given by
h = [tex]\frac{2\times \sigma \times cos\theta}{\rho \times r\times g}[/tex]
σ = surface tension
ρ = density of liquid
r = inner radius
h = height
θ = contact angle made by the liquid meniscus with the capillary’s surface.
Given,
h = 1.21 cm
σ = 540 × 10 N/m
θ = 140°
ρ = 13.6 × 10³ Km
Substituting the value in equation,
h = [tex]\frac{2\times \sigma \times cos\theta}{\rho \times r\times g}[/tex]
r = [tex]\frac{2\times 540\times10\times cos140}{13.6\times10^3\times1.21\times10^-^2\times10}[/tex]
r = 50.27 × 10⁻¹m
d = 2.5135m
The diameter of a capillary tube is 2.5135 m.
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Select all that are functions of neurons and glial cells Receive nerve impulses Protect neurons Nourish neurons Calcium storage
roles of glial cells and neurons
taking in nerve impulsesDefend neuronsfeed the neuronsNeurons, which are specialized cells with the ability to receive and transmit electrical or chemical impulses, make up the nervous system. Glia, which are cells with complementary information processing roles to neurons, serve as support cells for the neurons.
Without the crucial functions performed by these glial cells, neurons would not be able to operate. In addition to providing myelin sheaths surrounding axons and buffering ions and chemicals that may otherwise injure neurons, glia also direct growing neurons to their destinations.
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Question:-
Select all that are functions of neurons and glial cells
Receive nerve impulses Protect neurons Nourish neurons Calcium storage800678 DEA Training for Pharmacy Support - Part 1 RESOURCES Alice NotWell presents a hand-written prescription for a controlled substance. She hands you the prescription and you enter her name into Rx Connect, but you still have a few questions about it. Where can you find out if the prescription was written on a tamper- proof Rx pad?
O Go ask Alice if it was written on a tamper-proof Rx pad.
O Hold it under the ID scanner to check for an imprint
O Review tamper-proof features on RxNet.
O All written prescriptions are tamper-proof so there's no need to verify
The answer to this question is a review of the tamper-proof feature in RxNet.
Rx is usually written before prescribing anything to the patient. This symbol stands for the Latin word prescription which means to take. Prescriptions are usually written on the Rx pad, where the patient's name date of birth etc is mentioned
I think the 3rd is the best option selected, non-white uniform background or green background is used.
The symbol "Rx" on a doctor's prescription, means "Prescription". For example, it is very common to use Bx for biopsy, Cx for cervix, Hx for history, Ex for examination, and so on.
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Can you complete this paragraph that summarized key concepts about human nutrition? Drag the terms to their correct location in the paragraph.
Drag the terms about concepts of human nutrition:
FuelOrganic moleculesEssential amino acidsEssential fatty acidsVitaminsVitamin CMineralsYour diet provides fuel for ATP production, organic molecules as raw materials to build your molecules, and essential nutrients - substances you require but cannot make yourself.
The essential amino acids must be obtained from your diet, either by eating meat, eggs, or milk or by consuming a variety of plant proteins.One of the essential fatty acids is needed to make membrane phospholipids.Organic nutrients called vitamins are required in very small amounts. For example, vitamin C is required for the production of connective tissue.Inorganic nutrients called minerals function in various roles such as an ingredient of hemoglobin.Learn more about human nutrition at https://brainly.com/question/13208550
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What are the ethical issues of genetic modification?
Use of animals for research, farmers are at loss and biopiracy are the ethical issues of genetic modification.
Genetic modification is a technique that involves transferring a piece of DNA from one organism to another in order to change the characteristics of a plant, animal, or microorganism. This is accomplished by removing the desired genes from one organism's DNA and inserting them into the DNA of the other.
Many GMO crops are used to produce ingredients consumed by Americans, such as cornflour, corn syrup, corn oil, soybean oil, canola oil, and granulated sugar. GMO potatoes, summer squash, apples, papayas, and pink pineapples are among the fresh fruits and vegetables available.
Genetically modified (GM) crops are those that have been engineered to introduce a new trait into the species. Resistance to specific pests, diseases, or environmental conditions, as well as resistance to chemical treatments, are common goals of GM crops (e.g. resistance to a herbicide).
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What are the riskiest times for a pregnant woman to be exposed to a teratogen and why?
Teratogens is dangerous. Because of fetus's numerous developing organs and systems, which increase it's sensitivity to teratogens' detrimental effects.
What are the Types of teratogens?Drugs: Both prescription and over-the-counter (OTC) drugs are frequently taken by pregnant women. Although not all drugs carry the same risks, it's crucial to be aware of those that are recognised teratogens.Infectons: Not every illness has the same effects on a developing foetus and pregnancy. The common cold and other milder diseases sometimes strike pregnant women without warning. However, some diseases have a greater chance of having an effect on a pregnancy.Physical agents : Fetuses may also be at risk from exposure to some necessary medical procedures, job dangers, or heat. Heat and radiation exposure are both regarded as physical teratogens.Environmental Toxins : A developing foetus may be at risk from toxic metals and chemicals. Environmental toxins include things like Mercury, Lead, Polychlorinated and Polybrominated Biphenyls, to name a few (PCBs).Maternal Health Conditions: Teratogenic hazards might arise from specific maternal health issues. Chronic medical disorders such uncontrolled diabetes, autoimmune illness, and maternal phenylketonuria can have an effect on a developing foetus (PKU).To learn more about Teratogen refer to:
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Connections between habitat fragments are referred to as __________
The term "structural connectedness" describes the physical organisation of habitat as well as potential links between habitat fragment types throughout the landscape.
Structural connectedness describes how individual animals actually move around the landscape and the extent to which each landscape supports or restricts this mobility. Functional connectedness must guide efforts in landscape planning and management since it refers to how species use natural systems to travel through the landscape as opposed to how people perceive patterns of connection.
It is helpful to think of a functionally connected landscape as an assembly of habitat "islands" surrounded by "matrix," which are the outcome of habitat fragmentation (less preferred habitat). Anything can be considered a matrix, including suburban sprawl, clearcuts, and agricultural land. However, because different species have different levels of tolerance for less desirable environments, effective conservation planning and management initiatives must consider connectivity from the viewpoint of each target species.
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True or False diffusion takes place against concentartion gradient?
How far apart are Y and L? Give your answer in map units. (Hint: Add the numbers of the two recombinant types, divide by the total number of offspring, and multiply by 100.)
The number of the two recombinant types is 200, divide by the total number of offspring is 1000, and multiply by 100, so the map unit is 20.
What are recombinant types?The heterozygous dominant species, in this case, is YyLl, where Y stands for the dominant trait over y and T stands for the dominant trait over t.
Recombinant species will exhibit features that are heterozygously expressed in both the dominant and recessive forms), and these traits are Yyll: 100 and yyLl: 100.
Therefore, The number of the two recombinant types is 200, divide by the total number of offspring is 1000, and multiply by 100, so the map unit is 20.
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a student placed 20 tobacco seeds of the same species on moist paper towels in each of two petri dishes. dish a was wrapped completely in an opaque cover to exclude all light. dish b was not wrapped. the dishes were placed equidistant from a light source set to a cycle of 14 hours of light and 10 hours of dark. all other conditions were the same for both dishes. the dishes were examined after 7 days, and the opaque cover was permanently removed from dish a. both dishes were returned to the light and examined again at 14 days. the following data were obtained.
Your anwser is: Yellow-leaved seedlings were unable to convert light energy to chemical energy.
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Members of the archaea have been observed most commonly?
Members of the Archaea have been observed most commonly in very extreme (with respect to temperature, salinity, pressure, etc.) environments.
Archaea is a single-celled organism domain. These microorganisms are prokaryotes because they lack cell nuclei. Archaea were originally classified as bacteria and given the name archaebacteria, but this term has since become obsolete.
Halophiles (microorganisms that can live in extremely salty environments), methanogens (microorganisms that produce methane), and thermophiles are all examples of archaebacteria (microorganisms that can thrive extremely hot environments).
Archaea also have enormous economic potential, which has yet to be fully realized in the production of thermostable polymerases. They decompose organic matter to produce methane, which is then used for cooking and lighting.
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What are the 7 steps of translation?
The steps of translation are tRNA charging, Initiation, Elongation, and Termination.
During the process of translation, tRNA charging is done with its connate amino acid and delivers it to the ribosome, therefore serving as a substrate of protein conflation. To dissect the charging state of a particular tRNA, total RNA is purified and anatomized on an acid- urea gel.
Translation extension is a crucial step of protein conflation, during which the incipient polypeptide chain extends by one amino acid residue during one elongation cycle. further and further data revealed that the elongation is a crucial nonsupervisory knot for translational control in health and complaint.
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What do all snails have in common?
The common feature of all snails is a spiral-shaped shell that serves as protection from harm in any hazardous situation.
The common shell of a snail is a spiral that wraps around a spindle. When there is danger, snails retract their soft bodies within this shell. They are asymmetrical as a result, and this asymmetry is reflected throughout their bodies. The snail shell is consistently built in the same manner. They eat plants like mushrooms, berries, and lettuce as well as fresh leaves, stems, and bark. The external shell is formed from the secretion of the mantle.
Hence, the morphology of all snails remains the same.
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Can heart problems cause dementia?
Studies indicate that issues with the heart and blood vessels that provide blood to the brain may have a role in dementia development.
You could be more susceptible to developing blood vessel issues in your brain after a heart attack. Dementia risk may be impacted by the brain damage brought on by a stroke or ministroke (transient ischemic attack). abnormal blood vessel aging (atherosclerosis).
After Alzheimer's disease, vascular dementia is the most frequent type of dementia. It results from the damage caused to brain tissue by reduced blood flow. A blood clot might totally block blood flow to brain tissue or only partially obstruct it.
Memory, cognitive, and behavioral abnormalities brought on by ailments that impact the blood arteries in the brain are referred to as vascular dementia. Size, location, and number of vascular alterations can have a major impact on cognition and brain function.
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what is the core promoter? multiple choice question. a relatively short dna sequence that is necessary for transcription to take place the region of the rna pol holoenzyme that synthesizes the mrna a relatively short dna sequence that is necessary to terminate transcription the region of the rna pol holoenzyme that binds to the dna template strand
Core Promoter is A relatively short DNA sequence that is necessary for transcription to take place.
The DNA stretch of 50–100 bp known as a core promoter is where transcription starts.
A number of conserved DNA sequence elements have been found by genome-wide structural analysis to be frequently but not always linked to core promoters.
The core promoter serves as a foundation for the assembly of the transcriptional machinery. The enzyme RNA polymerase II, which transcribes protein-coding and numerous non-protein coding RNAs (such as long non-coding RNAs and miRNAs), as well as the numerous general transcription factors (GTFs) and co-factors necessary for RNA synthesis and biogenesis, are among the factors recruited to core promoters.
This transcriptional complex can occupy more than a hundred base pairs of DNA near the transcriptional start site (TSS) and is thought to be well over a mega-dalton in size.
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Correct Question:
what is the core promoter? multiple choice question.
(a) a relatively short dna sequence that is necessary for transcription to take place
(b) the region of the rna pol holoenzyme that synthesizes the mrna
(c) a relatively short dna sequence that is necessary to terminate transcription
(d) the region of the rna pol holoenzyme that binds to the dna template strand
Select four goals that human service professionals try to provide for their clients _____.
The four goals that human service professionals try to provide for their clients are establish safety, provide stability, locate resources and refer to drug rehab.
Drug rehab is is care that can help you get back, keep, or ameliorate capacities that you need for diurnal life. These capacities may be physical, internal, and/ or cognitive( thinking and literacy). You may have lost them because of a complaint or injury, or as a side effect from a medical treatment.
Human service professionals estimate a customer's requirements, produce a treatment plan, and put the plan into action. Throughout the process, they give guests with emotional support. Working nearly with the customer, cre- ate a plan for services with safety to help the client to break these problems.
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What are the two types of
fermentation?
A. alcoholic fermentation and lactic acid fermentation
B. ethanol fermentation and glycolic fermentation
C. acetic acid fermentation and glycolic fermentation
D. acetic acid fermentation and lactic acid fermentation
Answer:
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Plant hormones travel around plants in vessels called xylem. Hormones also move from cell to cell in plants by diffusion or active transport. Where are hormones produced in animals, and how are they transported throughout the body?.
Answer: Animal hormones are frequently synthesized in specialized hormone-synthesizing glands. Hormones are subsequently produced from the glands into the bloodstream and distributed throughout the body.
Explanation: Most hormones are released into the bloodstream to exercise their effects on distant target tissues. However, there are major exceptions, such as self-contained portal circulations, which direct blood to a single location. A capillary bed is where portal circulation begins. As the capillaries move out from the capillary bed, they join together to form a network of veins, which subsequently divide to form a second capillary bed. As a result, blood collected from the first capillary bed is only directed into tissues nourished by the second capillary bed.
In the human body, there are two portal circulations that transport hormones. The hypothalamic-hypophyseal portal circulation gathers blood from capillaries in the hypothalamus and transports it through a plexus of veins around the hypothalamus.
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In animals, hormones are produced in specialized hormone-synthesizing glands and they transported throughout the body via the bloodstream
In multicellular organisms, a hormone is a class of signaling molecules that are sent to distant organs by intricate biological processes to control physiology and behavior. Animals, plants, and fungi's proper development depend on hormones.
Hormones in plants travel extensively throughout the body via plasmodesmata and vascular tissue (xylem and phloem). Animal hormones, in contrast to hormones produced by plants, are frequently, if not always, synthesized in specialized hormone-synthesizing glands. After that, the glands release the hormones into the bloodstream, where they are distributed throughout the body.
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The Everglades are wetlands in southern Florida. In 1948, federal and local governments joined
together to divert water from the Everglades in order to create dry land for humans to live on. The
change in water flow affected the ecosystem negatively. In 2000, the Comprehensive Everglades
Restoration Plan was initiated. The goal of this legislation is to return the water flow to its historical
path. Which of the following was necessary for the Comprehensive Everglades Restoration Plan to
be enacted?
a. They had to ask the public for monetary donations for the funding of the project.
b. They had to survey the public for their opinions.
c. They had to monitor the health of the system for years and collect data.
d. They had to collect samples of all native plants.
The Everglades are wetlands in southern Florida. the ecosystem negatively affected by the change in water flow. The following was necessary for the Comprehensive Everglades Restoration Plan to be enacted is that they had to survey the public for their opinions.
The Ecosystem is the composition of all biotic and abiotic components and place where they interact with each other.
The basic types of ecosystem are as follows :
Forest Ecosystem.Grassland Ecosystem.Tundra Ecosystem.Desert Ecosystem.Everglades:Everglades are the tropical wetland found in southlands of USA i.e. in state of Florida. Everglades consists of the following major trees in its arms.
Bromeliads and Grasses.Cacti and Succulents.Lichens.Marine Plants / Algae.Orchids.WildflowersTo know more about Ecosystem visit
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How do cells and viruses differ in structure?
Double-stranded DNA and several single-stranded RNA copies make up the structure of cells. However, viruses can also contain single, double, or single-stranded RNA in addition to double-stranded or single-stranded DNA.
What distinguishes viruses from cellular organisms?Viruses are wholly parasitic since they lack ribosomes, mitochondria, or any other cell-like organelles. They are genetic parasites because they are unable to multiply without the metabolic activities of the host cell.
What features distinguish the architecture of various viruses?The kind and size of the nucleic acid, the size and form of the capsid, and whether or not the nucleocapsid is encased in a lipid envelope are the three structural factors that are used to further categorize viruses into families and genera (the capsid enclosed nucleic acid).
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100 POINTS!!! Can you fill in the blanks please? Meiosis and mitosis.
Table 1:
Interphase cells: 69.6%
Cytokinesis cells: 2
Cytokinesis number of chromosomes in each nucleus: 64
Interphase number of chromosomes in each nucleus: 46
Interphase number of homologous pairs in each nucleus: 23 pairs
Cytokinesis number of homologous pairs in each nucleus: 23 pairs
I tried my best and I hope this helps you!
In the Table 1:
Interphase cells: 69.6%
Cytokinesis cells: 2
Cytokinesis number of chromosomes in each nucleus: 64
Interphase number of chromosomes in each nucleus: 46
Interphase number of homologous pairs in each nucleus: 23 pairs
Cytokinesis number of homologous pairs in each nucleus: 23 pairs
What is cytokinesis?The physical process of cell division known as cytokinesis splits the parent cell's cytoplasm into two daughter cells. Cytokinesis begins during the anaphase phase of nuclear division and lasts until telophase.
Anaphase marks the start of cytokinesis, which concludes in telophase and is finished when the subsequent interphase starts. The abrupt emergence of a pucker, also known as a cleavage furrow, on the cell surface is the first audible sign of cytokinesis in an animal cell.
The physical process of cell division known as cytokinesis separates a parental cell's cytoplasm into two daughter cells. In animal cells, the two forms of nuclear division, meiosis and mitosis, also take place at the same time.
Therefore, Interphase cells: 69.6%
Cytokinesis cells: 2
Cytokinesis number of chromosomes in each nucleus: 64
Interphase number of chromosomes in each nucleus: 46
Interphase number of homologous pairs in each nucleus: 23 pairs
Cytokinesis number of homologous pairs in each nucleus: 23 pairs
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Is chloroplast present in virus?
The chloroplast is not present in virus as the virus is considered an exception to the cell theory because the virus contains genetic material but no organelles.
What are the evidences of occurrence of viruses?The earliest evidence for the occurrence of viruses was the discovery of an infectious agent in the sap of a tobacco plant. Experiments were set with different filters from which bacteria could pass but viruses being even smaller than bacteria could not pass.
Viruses were difficult to study because they are very small and couldn't be seen even under a microscope.Wendell Stanley made his studies on the tobacco mosaic virus (TMV).
Therefore, The chloroplast is not present in virus as the virus is considered an exception to the cell theory because the virus contains genetic material but no organelles.
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when you only grow excess food to sell or trade, it is known as (blank) agriculture
Answer: nonrenewable resources. Agriculture in which people grow only enough food to satisfy the needs of their family or village. subsistence farming.
Explanation: