1. What are the three reasons why cells divide? 2. Why are cells so small 3. Wha
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Question
1. What are the three reasons why cells divide? 2. Why are cells so small 3. What are the three reasons why it is important for cells to stay so small? 4. What is the relationship between chromatin and chromosomes ? 5. Are cells produced from mitosis identical to parent or not? 6. The parent cell contains ______ chromosomes and the daughter cells contain ______ chromosome 7. What are the four phases of mitosis? 8. During which phase of the cell cycle is DNA duplicated? 9.why is it important that a cells DNA is duplicated before cell division? 1) What are three reasons why cells divide? 2) Why are cells so small? 3) What are three reasons why it is important for cells to stay so small 4) What is the relationship between chromatin and chromosomes? 5) Are cells produced from mitosis identical to parent or not? 6) The parent cell contains chromosomes and the daughter cells-contain- chromosome. 7) What are the four phases of mitosis? 8) During which phase of the cell cycle is DNA duplicated? 9) Why is it important that a cell's DNA is duplicated before cell division?Explanation / Answer
Ans 1 :The cells divide so that the other worn out cells of the body can be replaced.
Ans 2 : Cells are small , so they can have maximum surface area to volume ratio. Due to this the materials and nutrients can get in and out of the cell easily.
Ans 3 : The cells need to stay small :
1) So that the ratio of surface are ato volume ratio is maximum
2) The nutrient exchange is easier
3) The different areas of cell can communicate easily if the cell is small.
Ans 4 : The genetic material of cell is DNA, which is contained in chromatin and chromosomes. Chromatin is DNA strand that is wrapped around the protein , and the chromosome is condensed form of chromatin.
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