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10 Cards in this Set
- Front
- Back
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Why do cells perform cell division? |
For growth, repair and replace |
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How many chromosomes do we have |
46 chromosomes in 23 pairs |
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How does mitosis divide |
Asexually |
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What is stage 1 of mitosis |
Cell grows big then doubles their structure and Chromosomes |
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What is stage 2 of mitosis? |
The doubled chromosomes split and are pulled to each side as a result of cell fibres pulling. Nucleus divides |
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What is stage 3 of mitosis |
Subcellular structure divides to form 2 daughter cells (diploid) |
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Does mitosis produce any variation? Why? |
No, since the genes are the same as the old cell to carry out the same function |
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Give an example of where mitosis constantly happens in the body |
Skin cells |
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How does the rate of mitosis differ between a baby and an adult |
In babies its quite quick whilst in adults its slow |
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Why are large organisms generally multicellular |
Mitosis being constant ensures cell dont become too large as large means less SA:V ratio meaning difficulty in exchanging materials, run out of Oxygrn quicker |
