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Basic Biology Practice Test: The Cell Cycle
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Basic Biology Practice Test: The Cell Cycle
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25 Questions

1. For anaphase to begin, which of the following must occur?
2. Which of the following is a protein synthesized at specific times during the cell cycle that associates with a kinase to form a catalytically active complex?
3. What is a cleavage furrow?
4. A plant-derived protein known as colchicine can be used to poison cells by blocking the formation of the spindle. Which of the following would result if colchicine is added to a sample of cells in G2?
5. Suppose a biologist can separate one of a dozen pieces of chromatin from a eukaryotic (animal) nucleus. It might consist of which of the following?
6. You have the technology necessary to measure each of the following in a sample of animal cells: chlorophylls, organelle density, picograms of DNA , cell wall components, and enzymatic activity. Which would you expect to increase significantly from M to G1?
7. After which checkpoint is the cell first committed to continue the cell cycle through M?
8. Which of the following is a protein maintained at constant levels throughout the cell cycle that requires cyclin to become catalytically active?
9. Why do neurons and some other specialized cells divide infrequently?
10. A research team began a study of a cultured cell line. Their preliminary observations showed them that the cell line did not exhibit either density-dependent inhibition or anchorage dependence. What could they conclude right away?
11. Which of the following most accurately describes a cyclin?
12. Besides the ability of some cancer cells to overproliferate, what else could logically result in a tumor?
13. All cell cycle checkpoints are similar in which way?
14. If there are 20 centromeres in a cell at anaphase, how many chromosomes are there in each daughter cell following cytokinesis?
15. Proteins that are involved in the regulation of the cell cycle, and that show fluctuations in concentration during the cell cycle, are called
16. One difference between cancer cells and normal cells is that cancer cells
17. Which of the following describe(s) cyclin-dependent kinase (Cdk)?
18. Movement of the chromosomes during anaphase would be most affected by a drug that
19. During which phase of mitosis do the chromatids become chromosomes?
20. For a newly evolving protist, what would be the advantage of using eukaryote-like cell division rather than binary fission?
21. If cells in the process of dividing are subjected to colchicine, a drug that interferes with the formation of the spindle apparatus, at which stage will mitosis be arrested?
22. A mutation results in a cell that no longer produces a normal protein kinase for the M phase checkpoint. Which of the following would likely be the immediate result of this mutation?
23. If there are 20 chromatids in a cell, how many centromeres are there?
24. Cells from an advanced malignant tumor most often have very abnormal chromosomes, and often an abnormal total number of chromosomes. Why might this occur?
25. Which of the following is released by platelets in the vicinity of an injury?

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