Biology, 04.11.2020 17:10 helloitschump0vfdz

Mitosis, the process by which the nucleus of a cell divides into two nuclei, is essential to life because it allows for the formation of new cells. Which of the following statements correctly describes the process of mitosis?

Answers: 3

Show answers

Answers

Answer from: natalie2sheffield

See the answer below

Explanation:

Mitosis is a type of cell division that involves the somatic or vegetative cells of the body of organisms. Two daughter cells with the same gene and genome size as the parent cell are usually produced when a cell divides by mitosis. The process of division has 4 stages:

Prophase: the nuclear membrane of the cell dissolves and the genetic materials condense and are seen as chromosomes. Centrosomes move to the opposite poles and give off microtubules that attach to the chromosomes and grow towards the center of the cell.Metaphase: the chromosomes align at the center of the cell and microtubules attach themselves to the kinetochore of each chromosome. There is a formation of the metaphase plate.Anaphase: The shortening of the microtubules causes the separation of the sister chromatids of each chromosome and their movement to the opposite poles.Telophase: the movement of chromosomes to the opposite poles is completed and the nuclear membrane reappears, Chromosomes also decondense.

Next is the division of the cytoplasm that results in the formation of two daughter cells. This process is called cytokinesis and completes the mitotic process.

Answer from: Quest

telophase and anaphase

Answer from: Quest

both anaerobic and aerobic respiration use glucose (or other carbohydrates), proteins and lipids to produce atp and nadh. cell uses those energy molecules, obtained from food and breaks them down during the chemical reactions of respiration. in anaerobic respiration, nadh is regenerated to nad+ by enzymes lactate dehydrogenase (lactate is produced, e.g. in muscle cells) or by alcohol dehydrogenase where ethanol is produced (alcohol fermentation), while in aerobic respiration, electrons from nadh are deposited in the mitochondria to regenerate nad+ (electron transport chain. anaerobic respiration produces 2 atp per molecule of glucose compared to aerobic respiration where about 38 atp molecules are produced.

Another question on Biology

Biology, 21.06.2019 15:50

Which term best describes a community in which people work mostly in factories? a.agricultural. b.hunting and gathering. c.domesticated. industrial.

Answers: 2

Answer

Biology, 21.06.2019 23:00

The tasmanian devil, a marsupial carnivore, is facing extinction due to devil facial tumor disease (dftd) which causes bulging cancerous lumps and lesions to erupt around the face and neck — often causing enough deformation to make seeing or eating difficult. dftd has evolved into a contagious cancer, a trait that is unique among cancers. devil mating behavior involves biting around the head and neck, allowing cells from one individual — especially cells from the crumbly dftd tumors — to be transferred to the wounds or face of a new individual. this marsupial was once found across australia, but sea levels rose, isolating the tasmanian population, while the australian population went extinct. what would be an outcome of genetic isolation that is likely to have impacted the spread of dftd? a) reduced territory puts diseased individuals in greater contact with non-diseased ones. b) inbreeding results in less variation in facial features so the cancer is generally fatal. c) genetic isolation has made it difficult for scientists to develop a vaccine against dftd. d) the lack of genetic variation in the immune system of tasmanian devils minimizes resistance to the disease.

Answers: 3

Answer

Biology, 22.06.2019 00:00

How do cells grow and reproduce to maintain homeostasis?

Answers: 3

Answer

Biology, 22.06.2019 07:00

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

Answers: 2

Answer

You know the right answer?

Mitosis, the process by which the nucleus of a cell divides into two nuclei, is essential to life be...

Questions