The Theory of Aging That Suggests the Basis for Aging

question 1

Multiple Choice

The theory of aging that suggests the basis for aging results from decreased weight of the thymus and decreased ability to produce T-cell differentiation is known as:

• A) cross-link theory.
• B) free radical theory.
• C) stochastic theory.
• D) immunity theory.

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Definitions:

Cytosolic Charge

The net charge within the cytosol, important for cellular processes like transport and signaling.

Unmyelinated Axons

Nerve fibers lacking a myelin sheath, resulting in slower transmission of nerve impulses compared to myelinated ones.

Squids

Marine cephalopods characterized by their bilateral symmetry, large eyes, eight arms, and two longer tentacles.

Equilibrium Potential

The membrane potential at which the flow of a particular type of ion inward (due to the electrical gradient) equals the flow of that ion outward (because of the concentration gradient).