Answer the following questions true (T) or false (F)
1. The chief accomplishment of telophase is the organization of chromosomes into new nuclei.
2. Bacterial binary fission is essentially the same process as mitosis in animals and plants.
3. During the cytokinesis phase of cell division, plant cells develop a cell plate instead of a cleavage furrow.
1. TRUE
2. FALSE
3. TRUE
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Which of the following is the proper sequence for
mitosis? I. metaphase II. telophase III. prophase IV. anaphase a. I, III, IV, II b. I, II, III, IV c. III, I, IV, II d. IV, I, III, II e. III, IV, I, II
Sickle-cell disease results in misshapen red blood cells. What impact does this have on their ability to carry gases in the bloodstream?
A. It reduces their ability to carry oxygen, resulting in anemia. B. It makes no difference in the ability of red blood cells to carry gases in the bloodstream. C. It increases their ability to carry oxygen, resulting in anemia.
Which protein binds and releases oxygen molecules?
a. collagen b. insulin c. keratin d. hemoglobin e. enzymes
Which of the following statements about antibody-mediated immunity is CORRECT?
A. It primarily defends against viruses that have already infected cells. B. It primarily defends against bacteria that have already infected cells. C. It defends against parasites, bacteria, and viruses. D. It protects the body against cells that become cancerous. E. It is responsible for transplant tissue rejection.