Discussion
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- Question
The cell cycle is controlled in most cells by
Options- A. time (after a certain length of time the cell divides)
- B. a series of checkpoints
- C. cell size (when the cell reaches a certain size, it divides)
- D. different cells exhibit different control strategies
- Correct Answer
- different cells exhibit different control strategies
- 1. The centromeres move toward the poles in __________ .
Options- A. anaphase
- B. interphase
- C. metaphase
- D. prophase Discuss
- 2. How many chromatids are there in a duplicated chromosome?
Options- A. One
- B. Two
- C. Three
- D. Four Discuss
- 3. At the __________ checkpoint, cell growth is controlled.
Options- A. C
- B. G1
- C. G2
- D. S Discuss
- 4. In which of the following phase preparations for genome separation are made?
Options- A. C
- B. G1
- C. G2
- D. M Discuss
- 5. Which phase of mitosis is associated with chromosomes aligned at the center of the cell and centromeres divide?
Options- A. anaphase
- B. interphase
- C. metaphase
- D. prophase Discuss
- 6. Which of the following statements about mitosis is incorrect?
Options- A. The daughter nuclei are genetically identical to the parent nucleus
- B. Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other
- C. Chromosomes separate during anaphase when the kinetochore microtubules shorten as they depolymerize
- D. Chromosomes move to the metaphase plate using motor proteins, a kind of kinesin, attached to spindle fibers Discuss
- 7. Which phase of mitosis is associated with separation of chromatids?
Options- A. Prophase
- B. Metaphase
- C. Anaphase
- D. Telophase Discuss
- 8. The term homologous chromosomes
Options- A. refers to replications of the same chromosome
- B. is another name for sister chromatids
- C. must be haploid
- D. means a pair of chromosomes of the same kind, such as sex chromosomes Discuss
- 9. The term, not related to mitosis is
Options- A. gametes
- B. chromosomes
- C. DNA replication
- D. somatic cells Discuss
- 10. Which of the following triggers the division of activated T lymphocytes?
Options- A. FGF
- B. Interlukin 2
- C. PDGF
- D. Erythroprotein Discuss
Cell Cycle problems
Search Results
Correct Answer: anaphase
Correct Answer: Two
Correct Answer: G1
Correct Answer: M
Correct Answer: metaphase
Correct Answer: Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other
Correct Answer: Anaphase
Correct Answer: means a pair of chromosomes of the same kind, such as sex chromosomes
Correct Answer: gametes
Correct Answer: Interlukin 2
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