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Do you think a skin cell would have a long or short G1 stage? Explain why.

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User Jbrond
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Final answer:

A skin cell would have a short G1 phase due to the high turnover rate of epithelial tissue, typically two to five days, facilitating rapid cell division for skin renewal.

Step-by-step explanation:

A skin cell would likely have a short G1 stage. This is because skin cells are part of the epithelial tissue which has a high turnover rate. The frequency of cell turnover for epithelial cells ranges from an average of two to five days. Since the skin is constantly being exposed to the environment and needs regular rejuvenation, it is advantageous for these cells to divide rapidly to replace those damaged or lost. In rapidly dividing human cells with a 24-hour cell cycle, the G1 phase lasts approximately nine hours. Given the rapid turnover and the need for constant renewal, it is likely that the G1 phase in skin cells would be linked to the shorter end of the spectrum to facilitate quick entry into the S phase for DNA replication.

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User Ginna
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