How is meiosis different from mitosis?

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Answer 1

Answer:

Mitosis produces two genetically identical “daughter” cells from a single “parent” cell, whereas meiosis produces cells that are genetically unique from the parent and contain only half as much DNA. Most cells in the body regularly go through mitosis, but some do so more often than others.

Explanation:


Related Questions

wobble base pairing allows some trnas to bind to more than one type of codon. if wobble base pairing occurs, what is the minimum number of trnas required to translate all the amino acids in the codon table of the genetic code?

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The minimum number of tRNAs required to translate all the amino acids in the codon table of the genetic code is 61.

This is because there are 61 codons that code for the 20 amino acids, and some of these codons are translated by the same tRNA due to wobble base pairing. Wobble base pairing allows for a single tRNA to recognize multiple codons, which reduces the number of tRNAs needed to translate the genetic code.

This phenomenon is also known as degeneracy, which is defined as the ability of multiple codons to code for the same amino acid. The degeneracy of the genetic code is due to the fact that many amino acids are encoded by more than one codon, and this is possible due to wobble base pairing.

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nucleotides contain sugar, a phosphate group, and a nitrogen base. Which of the following is a nitrogen base​

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Nucleotides contain sugar, a phosphate group, and a nitrogen base and guanine is a nitrogen base​, hence option B is correct.

What is the structure of DNA?

A phosphate group, a 5-carbon sugar, and a nitrogenous base make up a nucleotide. Adenine, cytosine, guanine, and thymine are the four nitrogenous bases found in DNA. Instead of thymine, uracil is found in RNA.

A nitrogen base and pentose sugar make up a nucleoside. Ribose and deoxyribose are pentose sugars. Purines and pyrimidines are nitrogen bases.

Therefore, guanine is a nitrogen base.

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What is the phenotype of two dominant genes?

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Answer:

The phenotype of two dominant genes is the physical traits that are expressed when these two particular genes are present. Which can be anything from hair colour to eye colour, height and more. The combination of these two dominant genes will determine what the final appearance looks like for an individual organism.

Explanation:

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When homologous chromosomes pair up in meiosis, this is called: a. replication b. segregation c. cytokinesis d. synapsis

Answers

Answer is D: Synapsis

Which phase of the cell cycle could you identify most readily with a light microscope

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The cell cycle can be divided into four separate stages on the basis of nuclear DNA content. The stage most readily identified (by light microscopy) is the mitotic phase (M), during which the previously duplicated chromosomes are shared between two daughter cells.

How do I stop my knees from creaking?

Answers

Creaking or cracking sounds in the knee can be caused by a variety of factors, and there are several things that can be done to help reduce or eliminate these sounds.

Exercise: Performing regular exercise can assist the muscles and tendons that support the knee joint to become stronger and more flexible. Maintaining a healthy weight might assist relieve pressure on the knee joints and lessen the probability of squeaking.

Stretching can assist increase flexibility and lessen cracking by being done both before and after exercise. Decent posture: Keeping a good posture will lessen the strain on your knees and lessen the probability that they'll creak.

Use appropriate form when exercising to lessen the strain on your knees and the risk that they may creak. Avoid activities with high impact: Running and jumping can impose an excessive amount of stress on the knee joints and raise the risk of cracking.

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A large and increasing number of genetic tests are available to prospective parents and children. Even as these testing methods become more and more sophisticated, what is one thing technology will never solve?

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The one thing this technology will never solve is the use of humans as models in genetic experiments.

Why humans are not used as model organisms in genetics experiments?

Genetic testing creates tension within a family because the results can reveal information about other family members in addition to the person who is tested. The possibility of genetic discrimination in employment or insurance is also a concern.

Except in the case of highly controlled and regulated clinical trials, geneticists and scientists do not use humans for their experimental investigations because of the obvious risk to life. Instead, they use various animal, fungal, bacterial, and plant species as model organisms for their studies.

Understanding genetic factors and genetic disorders is important in learning more about promoting health and preventing disease. Some genetic changes have been associated with an increased risk of having a child.

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a cell with two sets of chromosomes is called a diploid cells these cells are typically found throughout the body tissues and are called

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A cell with two sets of chromosomes is called a diploid cell (2n). These cells are typically found throughout the body tissues and are called as somatic cells.

What are Somatic cells?

A somatic cell is also called as vegetal cell. It is any biological cell which is involved in forming the body of a multicellular organism other than that of a gamete, or germ cell, gametocyte (n). Such cells compose the body of an organism and divide through the process of binary fission and mitotic division.

Somatic cells are the cells which form the whole body of an organism except the reproductive cells. These cells divide through mitosis. This type of cell division is known equational division. Through this division, many asexually-reproducing organisms produce offspring.

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Why is starch used to store energy?

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The advantage of storing energy as starch rather than fats and oils is that it is easily stored by cells and accessible. Starch is a fast-breaking molecule that allows you to get at the glucose you require for energy release.

Starch seems to be a polysaccharide and complex carbohydrate composed of a chain of covalently linked glucose molecules. Pure starch is a tasteless, odorless, white powder produced from plants that accounts for a major component of modern human meals. Most green plants produce starch to store extra glucose produced during photosynthesis.

Glycogen is a more highly branched polymer containing glucose monomers that functions as an energy storage molecule in mammals. Glycogen is predominantly produced and stored in liver and muscle cells. When they need to absorb more energy than they have readily accessible from photosynthesis, they trap glucose as part of a carbohydrate molecule or break off smaller glucose units.

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how many nitrogen bases on mrna are needed to build a polypeptide that is made of 5 amino acids?

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Answer:

Explanation:

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genetic information is stored and transmitted within _____

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DNA molecules serve as both a genetic information storage and transmission medium.

Only two closely related nucleic acids, DNA and RNA, serve as carriers and stores of genetic information in nature. They represent biological information at the molecular level.

The DNA's linear nucleotide sequence contains genetic information. The base pairs G-C and A-T form a hydrogen bond that holds the two complementary strands of nucleotides that make up each DNA molecule's double helix together.

Adenine (A), guanine (G), cytosine (C), and thymine (C) are the four chemical bases that make up the code that stores the information in DNA (T). The 3 billion bases that make up human DNA are identical in more than 99 percent of people.

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what happens if a plant cell is placed in a hypotonic solution?

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A hypotonic solution is one that has a lower concentration of solutes than the cell itself. When a plant cell is immersed in a hypotonic solution, it absorbs water by osmosis.

This causes the cell to swell and can lead to cell lysis, which is when the cell membrane ruptures due to the increased pressure from the water influx. Once the cell membrane ruptures, the cell's contents are released into the environment, leading to the death of the cell. The reason for this is that the cell does not have a built-in structure to counter the pressure of the incoming water.

As a result, the cell membrane is unable to withstand the pressure and ruptures. To maintain its internal environment, a plant cell must be placed in an isotonic solution, which has the same solute concentration as the cell itself. This will allow the cell to remain in a state of equilibrium, avoiding the risk of cell lysis.

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Predict how oxygen crosses the plasma membrane if the concentration of oxygen is lower
inside the cell than it is outside the cell.
A) Oxygen enters the cell through channel proteins.
B) Oxygen leaves the cell through channel proteins.
C) Oxygen enters the cell through the plasma membrane.
D) Oxygen leaves the cell through the plasma membrane.

Answers

Oxygen crosses the plasma membrane if the concentration of oxygen is lower inside the cell than it is outside the cell and diffusion is movement of a substance from a higher concentration to a lower concentration. The oxygen would move into the cell.

What is diffusion?Diffusion is the process by which solvent molecules move from lower concentrations to higher concentrations, or from less concentrated solution to highly concentrated solution, via a semipermeable membrane.The movement of the water occurs during the osmosis process.The wall that separates and shields the interior structure of the cell from the outside world is known as the cell membrane.The major purpose of the cell membrane is to keep harmful substances outside of the cell.Only specific permeable membranes are permitted to enter cells thanks to channels and receptors found in the cell membrane.Diffusion is the movement of a substance from a higher concentration to a lower concentration, therefore oxygen crosses the plasma membrane if the concentration of oxygen inside the cell is lower than it is outside the cell.Eventually, the oxygen would enter the cell.

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total abdominal hysterectomy with bilateral salpingo-oophorectomy

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I don’t know the sorry

4
Drag each label to the correct location on the image.
Classify the disease according to whether it affects the digestive system or respiratory system.
canine parvovirus infection
coccidiosis
giardiasis
Respiratory
tracheobronchitis
feline viral rhinotracheitis
Digestive

Answers

The diseases according to their effects are:

canine parvovirus infection - Digestive

coccidiosis - Digestive

giardiasis - Digestive

tracheobronchitis - Respiratory

feline viral rhinotracheitis - Respiratory

What is feline viral rhinotracheitis?

Feline viral rhinotracheitis (FVR) is a widespread respiratory disease caused by felid herpesvirus 1. (FeHV-1). The disease impairs pulmonary defense mechanisms, predisposing cats to secondary bacterial pneumonia or feline calicivirus infection.

Respiratory infections are common in cats, particularly in densely populated areas such as shelters, breeding catteries, and feral cat colonies. These infections, which have a negative impact on feline health, are caused by a variety of viruses, bacteria, fungi, and protozoa.

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What is the name of bone cells Class 9?

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Osteoblasts, osteocytes, and osteoclasts are the names of bone cells.

Osteoblasts, osteocytes, osteoclasts, and bone lining cells are the four different types of cells that make up bone. On bone, surfaces can be found osteoblasts, bone lining cells, and osteoclasts, all of which are produced from local mesenchymal cells known as progenitor cells.

Osteocytes are the cells responsible for producing the components that are necessary for the bone matrix to remain healthy. Osteoclasts are multinucleated bone cells that originate from the stem cells that are found in the red bone marrow. These cells can be found in bones. These cells are accountable for the process of resorption, which refers to the breaking down of bone.

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a. l. washburn swallowed a balloon. when inflated, the balloon filled his stomach and transmitted his stomach contractions to a recording device. washburn found that

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Answer:

A.L. Washburn's study found that when the balloon in his stomach was inflated, the stomach contractions were transmitted to a recording device. This allowed him to measure and compare the activity of the stomach muscles at different times. Washburn's research helped to further our understanding of how the muscles of the stomach contract and how they contribute to digestion.

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The population of bacteria in a petri dish triples every 10 minutes. The population of the bacteria is initially 400 organisms. What unit is most appropriate for the time at which the number of bacteria is 600?.

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The most appropriate unit of time for the number of bacteria to be 600 is 20 minutes.

The population of bacteria in a petri dish triples every 10 minutes. This means that the population will double every 5 minutes.

If the initial population of bacteria is 400 organisms, it will take 20 minutes for the population to reach 600 organisms.

To calculate this, we can use the equation:

Time (minutes) = Log3 (600/400) x 10

Time (minutes) = Log3 (1.5) x 10

Time (minutes) = 0.47712125 x 10

Time (minutes) = 4.7712125

Time (minutes) = 20 minutes

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what part of the brain is responsible for connecting left and right hemisphere?

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Answer: The corpus callosum

Explanation:

The two hemispheres are connected by a thick band of nerve fibers called the corpus callosum. The brain halves are able to communicate with each other via this 'bridge'.

What is the structural difference between the polysaccharides amylopectin in starch and glycogen?

Answers

In plants and animals, respectively, two types of starch are present: amylopectin and glycogen.

They both include glucose monomers and are polysaccharides. The branched chains of amylopectin and glycogen are. Unlike amylopectin, glycogen has many more branches.

The primary distinction between glycogen and amylopectin is that the latter is a soluble form while the former is an insoluble form. The two forms of starch that make up the majority of a plant's storage polysaccharides, including amylopectin, are starch. Animals' primary polysaccharide form of storage is called glycogen.

As opposed to amylopectin, which is a lengthy, branching chain with some coils, amylose is an unbranched, coil-free chain. Cellulose: In order to create H-bonds with neighboring chains, cellulose is a long, straight, unbranched chain. Glycogen is made up of short, numerously branched chains, some of which have specific chains.

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What is the name given to a set of controlled observations that test a proposed explanation?

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Experiment is the name given to a set of controlled observations that test a proposed explanation.

To ascertain if changes in one variable might result in changes in another, investigators conduct experiments. We can make better choices about our concepts and tasks by experimenting. People frequently make the error of taking an idea and running with it without first evaluating the underlying premises. Although we frequently don't realize, we only presume when we believe we do.

In a controlled setting, like a lab, controlled observation is a research technique that involves watching individuals. In a controlled observation, the researcher decides the place, the schedule, the volunteers, and the equipment to be used to carry out the research. The researcher also predicts and regulates the study variables.

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What is the name of bone cells?

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The two main types of cells that make up bone tissue are osteoblasts and osteoclasts.

Osteoblasts are the cells responsible for creating and maintaining bone tissue. They secrete substances which form the matrix of the bone, including collagen, minerals, and other proteins. Additionally, osteoblasts also regulate the formation of new blood vessels to provide vital nutrients to the bone tissue.

Osteoclasts are the cells responsible for breaking down old bone. They secrete enzymes that dissolve the mineralized material of the bone matrix, allowing the body to reabsorb and use the calcium and other minerals found in the bone. This process is essential for keeping the bones healthy and strong.

Together, these two types of cells work together to keep bones healthy and strong.

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What is a insertion mutation called?

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An insertion mutation is a type of genetic variation that occurs when one or more nucleotides are added to the DNA sequence.

These mutations can lead to a change in the amino acid sequence of a protein, and can ultimately affect the overall health and wellbeing of an organism. Like deletion mutations, insertions can also be classified as point mutations or frameshift mutations, depending on the size and location of the insertion.

A point mutation is a change in a single nucleotide in the DNA sequence, and an insertion mutation is a type of point mutation when one nucleotide is added. For example, if the normal DNA sequence is ATGAGGCTAG, and a C is inserted in the fourth position, the new sequence becomes ATGACGGCTAG. This change in the DNA sequence results in a change in the amino acid sequence of the protein, from Arginine-Leucine to Proline-Leucine.

However, when one or more nucleotides are added, the insertion is considered a frameshift mutation. This is because it changes the reading frame, which is the grouping of nucleotides into codons, the sequence of three nucleotides that code for a specific amino acid. This change in the reading frame leads to a shift in the way the entire sequence of codons is read, and can result in a completely altered amino acid sequence for the rest of the protein.

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Which of the following techniques is a mechanical IPM method for reducing pests?
B - The use of screens or traps to prevent pests from entering the crop area

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Cultural control (crop rotation, usage of regionally adapted or pest-resistant/tolerant cultivars, etc.) is one IPM pest control strategy.

Controlling and preventing pests like insects, rats, and other animals from harming crops, structures, and other regions is the process of pest control. Pest control techniques come in a variety of forms, including chemical techniques like pesticides and physical techniques like barriers and traps. Pest controllers carry out inspections to hunt for pests and indications of harm from pests. After then, use successful remedies to resolve the issue and stop it from happening again. The pest management strategy you select will determine whether repeated treatments are necessary. Pest management offers a defense against insects that could endanger public health and result in expensive property damage. When we hear the words "pest control" or "pest control," we frequently picture getting rid of fleas, spiders, or cockroaches.

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In their somatic cells, mice have 40 chromosomes. How many chromosomes did the mice inherit from each parent? how many chromosomes would each daughter cell have after mitosis?.

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All somatic (body) cells have 46 chromosomes (40 in the mouse), of which half originated from the mother and half from the father. Gametes (sperm and egg) are not referred to be somatic (body) cells.

The cell has two 46-chromosome groups when mitosis is finished, each encased in its own nuclear membrane. The cell then undergoes a process known as cytokinesis to divide into two identical copies, each of which has 46 monovalent chromosomes.

However, the cell divides into two during cytokinesis, leaving each daughter cell with 46 chromosomes or 23 pairs of chromosomes. The amount of chromosomes in the sex cell will be half that of the somatic cell since meiosis is a reductional division.

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all living things, which are made of cells, must make atp energy to survive.

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Adenosine triphosphate or ATP is a substance that cells use as a manageable source of energy. Given that it serves as the common energy source for all living cells, the energy-carrying molecule (ATP) is referred to as "the currency of life."

Each and every one of the cells that make up a living thing needs ATP to function. The energy from the food we eat is then used to create ATP. It serves as a fundamental building block for all living things. Without ATP, cells wouldn't have the energy or capacity to carry out the tasks required for survival, and they would inevitably perish. ATP is essential for all life forms to perform the tasks necessary for survival. ATP stands for a fully charged battery, whereas ADP stands for "low-power mode," much like a rechargeable battery with a variable level of charge. There are two types of cellular respiration that mitochondria can use to turn glucose into ATP: aerobic and anaerobic that further includes the process of glycolysis, Krebs-cycle, and Electron transport chain

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Do pupils dilate when you look at someone you love?

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Answer:

Your brain gets a boost of these chemicals when you're sexually or romantically attracted to someone. This surge in hormones appears to make your pupils dilate.

Homeostasis is classified under which of the following?

Answers

Homeostasis is classified under cell regulation. The correct option is C.

What is cell regulation?

Any procedure that manages the sequence of activities a cell goes through during the cell cycle A cell divides in two and copies its DNA and other internal components during the cell cycle.

The stable internal, external, and chemical conditions that are maintained by living systems are known as homeostasis in biology.

Secreted proteins and tiny molecules that frequently serve as signals are responsible for controlling homeostasis in an organism or colony of single-celled organisms.

The management of the cell's homeostasis as well as the exchange of resources and energy with its environment help to keep it in balance.

Thus, the correct option is C.

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A. Cell respiration

B. Transcription

C. Cell regulation

D. Photosynthesis

A scientist is studying trace fossils of an early mammal. Which type of information can be learned from studying trace fossils?.

Answers

Trace fossils can provide us information about indirect evidence of life in the past.

Fossilized animal tracks can tell us different things about the animals that made them. By looking at the shapes of tracks, scientists can figure out what kind of feet made the tracks. Researchers can tell how an animal stood and moved by looking at its trackways, which are groups of at least three consecutive tracks. Researchers can also learn about how ancient animals interacted with each other by looking at how they left tracks.

Researchers take pictures, measure, and make notes about fossil tracks they find. So that information doesn't get lost, it is important to write down as much as possible about a fossil while it is still in the ground. Scientists write down the shapes and directions of the tracks, where they are in relation to each other, how old the rocks are and what kind they are, and where the site is. They also take photos with a size reference (like a centimeter scale) and often trace the positions of a series of tracks on see-through material like acetate.

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what are the similarities and differences between plant and animal cells in terms of structure and function?

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Answer:

Animal cells are mostly round and irregular in shape while plant cells have fixed, rectangular shapes. Plant and animal cells are both eukaryotic cells, so they have several features in common, such as the presence of a cell membrane, and cell organelles, like the nucleus, mitochondria and endoplasmic reticulum.

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