Match the checkpoint activity with the phase of the cell cycle in occurs: Are any sister chromatids unattached? Does the cell have sufficient resources? Are there errors in DNA replication? Are the chromosome sets complete? A. M B. G1 C. G2 D. S
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- The cell cycle consists of several phases: G1, S, G2, and M. - G1 phase: Cells grow and prepare for DNA synthesis. - S phase: DNA replication occurs. - G2 phase: Cells continue to grow and prepare for mitosis. - M phase: Mitosis occurs, including chromosome Show more…
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Which of the following does NOT occur during the G 2 phase of the cell cycle? A. The G2/M checkpoint is reached. B. DNA replication and error checking are completed. C. The cell completes preparation for mitosis. D. The cell divides. E. All of these occur during the G2 phase of the cell cycle.
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Which of the following pairs of cell cycle stage and event and/or checkpoint in the cell cycle are CORRECT? Options: A) Sensing a favorable environment allows progression from G2 to M phase. B) Cytokinesis is the final sub-stage within M-phase that occurs just before prophase in the cell cycle. C) There is control over the cell cycle; in healthy cells, it goes around constantly and constantly produces new cells as fast as possible. D) DNA replication occurs in S phase. E) Starting in G1 phase, if there are errors in DNA replication, cells will likely arrest in G2 phase, just before they would have started M phase.
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Match each stage with the events listed. a. sister chromatids move apart prophase metaphase b. chromosomes pack tightly anaphase c. new nuclei form telophase d. DNA replication interphase e. chromosomes aligned midway between spindle poles
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