One Theory of Aging Suggests That Physical Aging Is Based

question 10

Multiple Choice

One theory of aging suggests that physical aging is based on the cell's ability to repair DNA alterations. However, research in this area has been unable to establish _______.

• A) clear relationships between cell repair ability and age within a species
• B) evidence that DNA repair declines with normal aging
• C) clear relationships between longer-lived species and more active repair mechanisms
• D) none of the above

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Definitions:

Symbiosis

One species lives in or on another in a commensal, mutualistic, or parasitic relationship.

Interference Competition

A form of competition where organisms directly interact with each other by physical force or intimidation to access resources.

Golden Eagle

A large bird of prey known for its impressive size, powerful build, and golden-brown plumage, occupying a variety of habitats across the Northern Hemisphere.

Moose Carcass

The body of a dead moose, often serving as a source of nutrition for various predators and scavengers in an ecosystem.