How does the nervous system change with aging?

What will be an ideal response?


The following changes occur: brain mass decreases; conduction velocity of nerve fibers decreases; release of neurotransmitters occurs more slowly; senses (hearing, vision, taste, and smell) become less acute.

Biology & Microbiology

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The process of decomposition releases ________ to bacteria and fungi

A) oxygen B) energy C) glucose D) protein

Biology & Microbiology

How many electrons are needed to reduce one molecule of NADP+ to NADPH?

a. 1 b. 2 c. 3 d. 4 e. 5

Biology & Microbiology

When a base dissolves in water it releases a(n) (anion/cation/hydrogen ion).

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The most notable difference between PrPC (normal protein) and PrPSc (prion protein) is ________.

A. PrPc folds appropriately whereas PrPSc does not fold correctly B. PrPC causes a cell to undergo rapid apoptosis C. PrPC is a much longer polypeptide chain, compared to PrPSc D. PrPc is a functional glycolytic enzyme whereas PrPSc is nonfunctional

Biology & Microbiology