Which Theory of Aging Proposes That Unstable Oxygen Molecules Ricochet

question 112

Multiple Choice

Which theory of aging proposes that unstable oxygen molecules ricochet around cells, damaging DNA and other structures?

• A) cellular clock
• B) free radical
• C) mitochondrial
• D) hormonal stress

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Definitions:

Cognition

The procedure of acquiring comprehension and insights by thinking, experiencing events, and sensory observation.

Top-Down Processing

An approach to processing information that starts with the brain's higher-level cognitive processes before receiving specific data from the senses.

Bottom-Up Processing

Analysis that begins with the sensory receptors and works up to the brain’s integration of sensory information.

Phantom Limb Sensations

The experience of sensations, often painful, in a limb that has been amputated, as if the limb were still present.