It seems that you have missed the given option for this question but anyway, here is the answer. The statement that would not be a valid reason for a cell's need to have these control molecules present is that <span>they make it impossible for the cell cycle to occur out of order. Hope this is the answer that you are looking for. </span>
A presumptive Test presumes the pet presence of the question substance it is useful because it tells the drug is used false positive is possible meaning that the test result is positive but the substance is not present.
<span>The </span><span>cladogram of animals is based on scientists current
understanding of the evolutionary history of living species. </span>I
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