The correct sequence of the phases of the cell cycle are A. prophase, interphase

Question

The correct sequence of the phases of the cell cycle are A. prophase, interphase, metaphase, telophase, anaphase, telophase, cytokinesis B. prophase, metaphase, anaphase, cytokinesis, telophase C. Interphase, prophase, metaphase, anaphase, telophase, cytokinesis D. prophase, anaphase, metaphase, telophase, cytokinesis In which stage of mitosis the chromosomes align along the cell equator? A. Metaphase B. Anaphase C. Telophase D. Prophase Which of the following statements is correct about DNA replication? A. It occurs during the S phase of the interphase B. The leading strand is synthesized discontinuously forming Okazaki fragments C. The lagging strand is synthesized continuously toward the replication fork D. The leading strand is synthesized continuously away from the replication fork The phase of mitosis in which the nuclear envelope reforms is A. prometaphase B. prophase. C. telophase. D. metaphase A compacted state of the genetic material DNA is known as A. Genome B. Euchromatin C. Heterochromatin D. Chromatin During mitosis, the separation of sister chromatids to the opposite poles of the cell occur during A. Prophase B. Metaphase C. Anaphase D. Telophase Which of the following will occur in meiosis but not in mitosis? A. DNA replication B. Cytokinesis C. Crossing over D. Metaphase

Explanation / Answer

1. C

2.A

In metaphase kinetochore of the microtubule pull the sister chromatids towards equator. This is a check point for the cell division.

3.A

DNA replication is important for the cell division, it occurs in the S phase of the interphase.

4. C

In the telophase nuclear membrane starts to reassamble and cover the newly form or divided chromosomes.

5. C

Slightly compact form of genetic material called euchromatin and when protein bind with DNA, tightly compact form of DNA called heterochromatin.

6.C

In Anaphase separated chromatids pull out towards the pole by spindle fibers.

7. C

Crossing over is the events, occured in meiosis in which genetic material is exchanged between homologous non sister chromatids.

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