Which of the Following Would NOT Provide Evidence for a Genetic

question 61

Multiple Choice

Which of the following would NOT provide evidence for a genetic basis for aging?

• A)Children of short-lived parents live shorter lives than children of long-lived parents.
• B)Cells only divide for a set number of divisions.
• C)Cell lines become nonfunctional before their maximum number of divisions is reached.
• D)Smoking and excessive alcohol intake are linked to shorter life spans.
• E)Certain genes that code for antioxidant enzymes to detoxify free radicals are present in animals that live longer.

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Definitions:

Oligodendroglial Cells

Specialized cells in the central nervous system that produce myelin, a substance that insulates nerve fibers.

Regenerate

The ability of organisms or cells to renew, restore, or grow back parts that have been lost or damaged, essential for healing and recovery.

Lysosomes

Membrane-bound organelles containing enzymes that break down and recycle cellular waste and foreign particles.

Cell Wastes

Byproducts of cellular metabolism that cells eliminate; these can include carbon dioxide, urea, and other substances harmful if accumulated.