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28 October, 02:44

A cell begins to send out incorrect chemical signals to neighboring cells. During which phase of the cell cycle did the cause of the change most likely happen?

G1 phase

G2 phase

M phase

S phase

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Answers (1)
  1. 28 October, 03:14
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    The correct option will be S phase.

    Explanation:

    The cell cycle proceeds in a regulated way in normal cells by using the information from a cell including internal cues (like DNA damage) and external cues (like molecular signals) to decide whether to proceed with cell division or not.

    If a cell receives incorrect chemical signals from neighboring cells then the changes will most likely happen in S phase as during this phase the cell synthesizes or replicate its genetic material. Since accurate duplication of the genome is essential to a successful cell division, S-phase is tightly regulated and errors at this phase will be transferred to the newly formed daughter cells.

    Thus, S phase will be the correct answer.
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