In research on aging (both cellular aging and organismal aging), it has been found that aged cells do not progress through the cell cycle as they had previously. Which of the following, if found in cells or organisms as they age, would provide evidence that this is related to cell signalling?

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#Question id: 2626

#2. Cellular Organization

lac operator is made up of

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#Question id: 11003

#7. System Physiology – Animal

Which of the following statements about cardiac muscle is most accurate?

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#Question id: 5559

#5. Developmental Biology

During fertilization, the acrosomal contents ________.

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#Question id: 375

#1. Molecules and their Interaction Relevant to Biology

The aqueous solution with the lowest pH is:

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#Question id: 5037

#5. Developmental Biology

Genes control development by: