_____ states that cells can divide a maximum of about 100 times and that,as we age,our cells become less cAPAble of dividing.

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The cellular-clock theory, also known as the Hayflick limit, proposes that cells can only divide a certain number of times before they enter a state of senescence (cellular aging). This limit is typically around 100 divisions and explains why as we age, our cells become less capable of dividing. Choice A (free-radical theory) suggests that aging is caused by accumulation of damage from metabolic processes and environmental stressors, while choice C (hormonal stress theory) suggests that aging is related to changes in hormonal regulation. Choice D (cell assembly theory) is not a recognized theory of aging.

_____ States That Cells Can Divide a Maximum of About