3. Why is it important that cytokinesis occur along a cell\'s midplane? 4. What
ID: 185340 • Letter: 3
Question
3. Why is it important that cytokinesis occur along a cell's midplane? 4. What must happen during the "S" stage of the cell cycle before mitosis can occur? 5. What would a cell look like if it underwent mitosis but not cytokinesis? 6. Why does the cell grow between mitoses? 7. How many cells result from mitosis? 8. Which cells in the body reproduce by mitosis? 9. Which cells in the body do NOT reproduce by mitosis? 10. Compare the kinds of genes that the parent cell has with the kinds of genes that are present in the cells that result from mitotic division.Explanation / Answer
3. Cytokinesis[ is the division of cytoplasm,cell organelles and cell membrane of parent cells ] occurs along a cell's midplane to ensure equal distribution of cytoplasm and cell organelles to the daughter cells.
4. During S stage [ Synthetic phase ] of cell cycle replication of DNA occurs preparing the cell for mitotic cell division.
5. Mitosis - Chromosomes replicated in S phase are divided into two set of chromosomes and so a cell looks binucleated after mitosis and before cytokinesis.
6.During Mitosis, Cell growth and DNA replication occurs at a steady rate resulting in the preparation for cell division.
7. Mitosis - Chromosomes replicated in S phase are divided into two set of chromosomes followed by cytokinesis resulting in division of cell membrane, cytoplasm and cell organelles resulting in the formation of two daughter cells.
8. Somatic cells [ comprising body's tissues and organs, including skin, heart, lung, stomach and hair cells ] in the body except 'Gamete' or 'Sex cells' reproduce by mitosis.
9. Gamete or Sex cells in the body do not reproduce by mitosis.
10. In mitosis, the parent cell divides into two daughter cells which are genetically identical to each other as well as the parents with no change in kinds of genes.
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