The two main stages of the cell cycle are interphase and M phase. Interphase is further segregated into G1, S, and G2 phase while the M phase is segregated into prophase, metaphase, anaphase, and telophase.
Further Explanation:
The cell cycle refers to an ordered flow of events which includes cell growth as well as cellular division. This cycle produces 2 new daughter cells. The cycle starts with interphase; during which, the cell grows and replicates its own DNA or deoxyribonucleic acid. The interphase begins with:
1. G1 phase: This is the primary growth phase provide nutrient to the cell.
2. S phase or synthesis of DNA: During this phase, the replication of DNA takes place. The centrosome is divide and forms mitotic spindle during the mitosis phase.
3. G2 or second gap: during this phase, the cell mainly replenishes its energy stores as well as synthesizes the proteins which are required for the chromosome manipulation.
The second phase of the cell cycle is the mitosis or M phase. Mitotic phase refers to a multiphase process during which the chromosomes are aligned, segregated, and moved into the 2 new daughter cells which are identical to each other.
This phase starts with:
1. Prophase: During this phase, the condensation of the chromosomes takes place and these chromosomes become visible. Spindle fibers formation take place, breakdown of the nuclear envelope, and nucleolus disappear.
2. Metaphase: During this phase, the formation of spindle fibers is completed and centrosomes are found at the opposite terminals of the cell. The chromosomes line up at the metaphase plate. Each of the sister chromatids is linked to the spindle fiber starting from the opposite poles.
3. Anaphase: During this phase, the cohesion proteins link with the sister chromatids and splits them down. The sister chromatids are pulled towards the opposite terminals of the cell and the non-kinetochore spindle fibers mainly lengthen and elongate the cell.
4. Telophase: During this last phase, the chromosomes arrive at the opposite terminals and start to decondense. Nuclear envelope reappears, and mitotic spindle breaks down. This marks the end of the mitosis.
The end phase of the cell cycle is called cytokinesis wherein the cleavage furrow occurs are segregates the daughter cells. In plant cells, the cell plate is responsible for the segregation of the daughter cells.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Cell Cycle
Keywords:
Cell cycle, cell division, cell growth, interphase, M phase, mitotic phase, mitosis, G1, S phase, G2 phase, cytokinesis, metaphase, animal cell, telophase, plant cell, prophase, anaphase.
A homogeneous mixture consists of one phase; a heterogeneous mixture consists of two or more phases.
a. True
b. False
Red beans and rice, peanut butter and whole-grain bread, and bean burritos are all examples of
Answer:
These are all examples of different food sources such as proteins, fats, carbohydrates, and fibers.
Explanation:
Red beans are a good source of plant proteins. It is also called kidney beans which are available in many kinds - white, cream, spotted, red beans. They also contain fibers, some good carbohydrates. They help in weight loss and provide protein to the boy.
Rice is the major source of carbohydrates. It gives energy to the body. There is also a variety of rice - white, brown, red rice. Rice also provides fats, proteins, minerals, and fibers. Brown rice is more beneficial than white rice as it has fewer carbs.
Peanut butter is a rich source of fats. It is high in calories. But taking less amount of it is beneficial for health. Whole-grain bread is a good source of fibers and proteins. The bread made with whole grains has bran and germ. Brans has fibers and antioxidants. The germ provides vitamins and proteins and some fats. It is an example of a balanced diet.
Bean burritos are used as stuffings of many foods. They are good sources of protein. Bean burritos along with meat provide good fibers, proteins.
What is the energy source used to drive atp synthase to produce atp?
The answer to the question asking about the energy source used to drive ATP synthase to produce ATP is called Proton Motive Force. ATP Synthase is an enzyme located in the mitochondria since produce happens at this site of a eukaryotic cell. It consists of a rotating head and a catalyzing end. As protons diffuse to the other side of the mitochondria (inner side) through lipid bilayer of ATP Symthase, it causes the rotating head to move like a motor. This energy is converted to chemical energy in order to bind the phosphate group to the ADP to create an ATP
What is genetic modification and what are some of the pros and cons?
Answer:
harms natural wildlife
Explanation:
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What are the functions of the skeletal system? define hematopoiesis. where does it occur?
Organic and inorganic materials, water, air, and living organisms together make up ____________.
Answer:
i just answered on apex it was natural something
Explanation:
A measure of the size of an effect in a population is called
A pregnant woman will probably not be able to deliver her baby vaginally if the ____________ is not large enough to accommodate
The answer is pelvic outlet. It is because if this is not large enough and it is small, the baby won’t be able to be carried or delivered out from the woman’s vagina as it won’t fit the baby and will likely lead to complications if pushed through.
Nutrition match the food with the food group with which it belongs
Answer: This is the answer for Plato
Carbs-Whole Wheat Bread
Protein-Meats
Lipids-Cheese
Vitamins-Fruit
Explanation:
Match the food group to the type of nutrition it provides.
Name the only type of blood vessel that has the ability to follow the diffusion of materials across it
When a baby is delivered through an incision in the abdomen and uterus, this is called a(n) ____________________ delivery?
What are two cells structures in green leaf cells that are not in human cells
When a candle burns, energy is released in the form of?
Final answer:
When a candle burns, it releases energy in the forms of heat and light. This energy comes from the chemical energy stored in the candle wax, and the process is an example of a chemical reaction where energy transformation occurs.
Explanation:
When a candle burns, energy is released in the form of both heat and light. This process is a demonstration of the law of conservation of energy, which states that energy cannot be created or destroyed, only transformed. Here, the chemical energy stored in the candle wax is being converted into these other forms of energy through the process of combustion.
A candle flame initiates the burning process by melting and vaporizing some of the wax, which is drawn up the wick through capillary action. This vaporized wax reacts with oxygen in the air to create a chemical reaction, liberating energy as heat and light. This conversion is also an example of a chemical reaction, where the wax molecules combine with oxygen to form new compounds like carbon dioxide and water vapor.
Every time a substance undergoes a chemical change, as the wax does when it's burned, there is an associated conversion of energy. In the case of a candle, it is primarily heat energy and also light energy that are released, which is why candles can be used to provide warmth and illumination.
Lipids have an important role in storing energy reserves. What is another primary function of lipids?
Answer:Provides Insulation
Explanation:
i took the test on study
When you touch an infant's cheek, the infant will turn toward your hand, open his or her mouth, and search for the nipple. this is known as the _____ reflex?
Where are the cells of the adaptive immune system found in humans?
Neuron fibers (axons) running through the central nervous system form __________ of white matter.
What ecosystems would you expect to have high species richness and low species richness? explain your reasoning
A rainforest ecosystem would have a more species riches. There are vast resources such as trees and plants that contribute to animal life. More animals live in these ecosystems because of the environment itself.
Explain the ecosystem with low species richness?A dessert ecosystem would have a low species riches. There is little plant life and low resources for survival.
Only animals that have adapted to this environment have a high species rate.
Thus, these two ecosystem expect to have high species richness and low species richness.
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A patient complains of difficulty passing stools, which are small, hard lumps. according to the bristol stool form scale, what would be the classification of these stools?\
The small, hard, lump-like stools a patient is having difficulty passing would be classified as Type 1 on the Bristol Stool Form Scale, typically indicating constipation.
Explanation:According to the Bristol Stool Form Scale developed by Heaton and Lewis at the University of Bristol, the description of the patient's stools as small, hard lumps would fall under Type 1. This type is characterized by separate hard lumps, like nuts, which are hard to pass, correlating with the patient's complaint of difficulty passing stools. This classification is generally indicative of constipation, often linked to a diet low in fiber and insufficient fluid intake.
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Which individual bone is the most accurate indicator of stature?
An increase in a predator population will directly result in
What process must happen before this process depicted below?
Answer:
Glycolysis
Explanation:
Glycolysis is one of the steps of cellular respiration in order to generate energy for the body through glucose breakdown.
Glycolysis is a process that involves ten enzymatic reactions, resulting in the formation of pyruvic acid from glucose, in order for the process to occur, the glucose molecule needs activation by the addition of phosphate groups from ATP molecules, having as balance of glycolysis 2 ATP.
As it does not require oxygen in its stages, glycolysis is considered an anaerobic process.
Jane is a patient. her brother greg has neuronal ceroid lipofuscinosis, also known as batten disease. it is autosomal recessive, and its symptoms include vision loss, loss of coordination, dementia and seizures. jane is healthy as are her parents and grandparents. jane is thinking of having children. she wants to know what the probability is her child would be a carrier for batten disease (in other words, the probability that jane is a carrier and that her child will inherit the recessive allele). since batten disease is very rare, we will assume that the father of jane's child is not affected nor a carrier.
Final answer:
Jane has a 50% chance of being a carrier of Batten disease since her brother is affected and her healthy status implies she could be heterozygous. If Jane is a carrier, she has a 50% chance of passing the recessive allele to her child. Therefore, there is a 25% chance Jane's child would be a carrier for Batten disease.
Explanation:
Jane's brother Greg has Batten disease, an autosomal recessive disorder that includes symptoms such as vision loss, loss of coordination, dementia, and seizures. Given that Jane is healthy, as are her parents and grandparents, we can use the information provided about autosomal recessive inheritance to determine the probability that her child would be a carrier.
Understanding Autosomal Recessive Inheritance
In autosomal recessive inheritance, a child must inherit two copies of the recessive allele, one from each parent, to express the disease. If a person carries only one copy of the recessive allele, they are a carrier but typically do not show symptoms. In cases such as this, the parents of an affected individual must both be carriers.
If Jane's brother has the disease, both of her parents must be carriers. Because Jane is healthy, she did not inherit two recessive alleles. She has a two in four (1 in 2 or 50%) chance of having inherited one recessive allele, making her a carrier. Jane's chance of passing the recessive allele to her child is therefore also 50%, assuming that the father is not a carrier and only has dominant, healthy alleles.
Probability Calculation
To calculate the probability that Jane is a carrier and passes the recessive allele to her child:
Jane's chance of being a carrier (heterozygous for the allele) is 50%.
If she is a carrier, the chance of passing the allele to her child is also 50%.
By multiplying these probabilities, we find that there is a 25% chance that Jane's child would be a carrier for Batten disease if Jane is indeed a carrier.
what characteristics of sexual reproduction has specifically favored the survival of animals that live on land?
The sexual fertilization process allows variation to occur in the offspring making them more adaptable to the adverse condition.
What is meiosis?Meiosis is a sort of cell division in physically repeating creatures that lessens the number of chromosomes in gametes (the sex cells, or egg and sperm). In people, body (or physical) cells are diploid, containing two arrangements of chromosomes (one from each parent).
Meiosis begins with a diploid (2n) parent cell that partitions to make 4 haploids (n) cells. A diploid zygote is formed when haploid gametes from two distinct individuals combine during sexual reproduction. The resulting child differs genetically from both of its parents.
Therefore, due to meiosis variation occur in the offspring.
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_______ is the term for when heterozygous offspring have superior fitness than their homozygous parents.
The bonds or interactions that hold together adjacent nucleotides in the sugar-phosphate backbone of dna are
The bonds that hold the adjacent nucleotides together, forming the sugar-phosphate backbone of DNA, are covalent bonds known as phosphodiester bonds. These bonds link the 5' phosphate group of one nucleotide to the 3' hydroxyl group of the next, forming a long polymer of nucleotide monomers.
Explanation:
The bonds or interactions that hold together adjacent nucleotides in the sugar-phosphate backbone of DNA are known as phosphodiester bonds. This bond is formed by dehydration synthesis, where the phosphate group of one nucleotide bonds covalently with the sugar molecule of the next nucleotide. The series of phosphodiester bonds create the backbone, on which nitrogen-containing bases protrude. The 5' phosphate group of one nucleotide links with the 3' hydroxyl group of the next nucleotide, forming a long chain or polymer of nucleotide monomers.
Individual nucleotides combine with each other by covalent bonds known as 5'-3' phosphodiester bonds, with the phosphate group of one nucleotide bonding to the hydroxyl group of the 3' carbon of the sugar of the next nucleotide. As phosphodiester bonding between nucleotides forms the sugar-phosphate backbone, an alternating sugar-phosphate structure composes a nucleic acid strand.
Lastly, the distance between the backbones of the two strands remains constant due to the specific way that complementary bases pair with each other, defined by Chargaff's rules. This, together with Watson, Crick, and Franklin's discovery of the double helix structure of DNA, forms the basis of our contemporary understanding of DNA structure.
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What type of transport requires energy to move a molecule?
How the structure of complex carbohydrates such as starch makes them suited for energy storage?
__________ are found only in animal cells and not in plant cells A. Cell walls B. Chloroplasts C. Mitochondria D. Centrioles
Answer:
d
Explanation:
Scientists are studying compounds in a newly discovered rain forest plant. The plant produces an unusual substance that local people from the area say acts as an anesthetic. If another scientist tests the substance using iodine, which macromolecule is the scientist testing for? a. Carbohydrates b. Protein c. Nucleic Acid d. Lipid
Answer:
a. Carbohydrates
Explanation:
Iodine is used to test for carbohydrates, specifically starch. Iodine changes color in the presence of starch from a brown color to a more blue black color. The answer is a bit untrue because other carbohydrates are tested differently but the closest one to the correct one (starch) is carbohydrates, which is one of many carbohydrates