Which of the following is NOT a difference between mitosis andmeiosis? a.Number

Question

Which of the following is NOT a difference between mitosis andmeiosis? a.Number of cell divisions b.Pairing of homologous chromosomes c.Separation of sister chromatids d.Crossing over The G2 checkpoint is an example of negative feedback controlof a biological process. Why? a.Mitosis generates cdK which causes further mitosis b.The molecule (cyclin) that allows mitosis to proceed isdestroyed by mitosis, preventing mitosis from continuing. c.The molecule (cdK) that allows mitosis to proceed isdestroyed by mitosis, preventing mitosis from continuing. d.Mitosis generates cyclin which causes further mitosis a.Number of cell divisions b.Pairing of homologous chromosomes c.Separation of sister chromatids d.Crossing over The G2 checkpoint is an example of negative feedback controlof a biological process. Why? a.Mitosis generates cdK which causes further mitosis b.The molecule (cyclin) that allows mitosis to proceed isdestroyed by mitosis, preventing mitosis from continuing. c.The molecule (cdK) that allows mitosis to proceed isdestroyed by mitosis, preventing mitosis from continuing. d.Mitosis generates cyclin which causes further mitosis a.Number of cell divisions b.Pairing of homologous chromosomes c.Separation of sister chromatids d.Crossing over The G2 checkpoint is an example of negative feedback controlof a biological process. Why? a.Mitosis generates cdK which causes further mitosis b.The molecule (cyclin) that allows mitosis to proceed isdestroyed by mitosis, preventing mitosis from continuing. c.The molecule (cdK) that allows mitosis to proceed isdestroyed by mitosis, preventing mitosis from continuing. d.Mitosis generates cyclin which causes further mitosis a.Mitosis generates cdK which causes further mitosis b.The molecule (cyclin) that allows mitosis to proceed isdestroyed by mitosis, preventing mitosis from continuing. c.The molecule (cdK) that allows mitosis to proceed isdestroyed by mitosis, preventing mitosis from continuing. d.Mitosis generates cyclin which causes further mitosis

Explanation / Answer

First Question is C because only in meiosis do cells divide twice,cross over, or have homologous chromosomes. However seperation ofsister chromatids occurs in both mitosis and meiosis. 2nd question: i believe the answer is B because the G2 checkpointis when the cell is checked to see if it is ready to undergomitosis. So if it is negative feedback, it would limit the mitosisfrom proceeding

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