What is a cleavage furrow? A) a ring of vesicles forming a cell plate B) the sep

Question

What is a cleavage furrow? A) a ring of vesicles forming a cell plate B) the separation of divided prokaryotes C) a groove in the plasma membrane between daughter nuclei D) the metaphase plate where chromosomes attach to the spindle E) the space that is created between two chromatids during anaphase If the cell whose nuclear material is shown in Figure 12.2 continues toward completion of mitosis, which of the following events would occur next. A) cell membrane synthesis B) spindle fiber formation C) nuclear envelope breakdown D) formation of telophase nuclei E) synthesis of chromatids Matching: Match the term to the description I = interphase P = prophase M = metaphase A = anaphase T = telophase 1. The sister chromatids are moving apart. 2. The nuclear membrane fades from view. 3. A new nuclear membrane is forms. around the chromosomes 4. The cytoplasm of the cell is being divided. 5. The chromatin is found in the nucleus. 6. The chromosomes are located at. form. 8. Animal cells begin to pinch in. 9. The spindle is formed. 10. Chromatids line up along the equator. 11. Chromosomes are not visible. 12. Cytokinesis begins. 13. The cell plate in plants begins to the equator of the cell

Explanation / Answer

31) c. Groove in the plasma membrane between daughter nuclei.

It begins towards the end of telophase and demarcats the begening of cytokinesis.

32)d. Formation of telophase nuclei.

Telophase is the last phase of nuclear division or karyokinesis. The picture shows all chromosomes aligned at the metaphasic plate with the help of microtubules which at joint to them at their kinetochores. After this the cells would enter anaphase where the sister chromatids get pulled away from each other towards the opposite poles to eventually form daughter nuclei or telophasic nuclei.

33) 1) A

2) P

3) T

4) T

5) I

6) M

8) T

9) P

10) M

11) I

12)T

13) T

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