One Way Calorie-Restriction May Prolong Life Span Is Through Reducing

question 4

Multiple Choice

One way calorie-restriction may prolong life span is through reducing metabolic rate, which results in a reduction in

• A) available energy to fuel physical activity.
• B) acidity of the body.
• C) production of free radicals.
• D) metabolic wastes that need to be dealt with.

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Definitions:

Synapse

(SIN-aps) The junction where the axon terminal of a sending neuron communicates with a receiving neuron across the synaptic cleft.

Resting Potential

The slight negative electrical potential of the axon membrane of a neuron at rest, about –70 millivolts.

At Rest

A state where an object or individual is not in motion, or is experiencing mental or physical tranquility.

Cell

The basic structural, functional, and biological unit of all living organisms, acting as the building blocks of life.