The functional units of DNA that contain the instructions for making one or more proteins are

A) chromosomes.
B) genes.
C) ribosomes.
D) codons.
E) RNA.


Answer: B

Anatomy & Physiology

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When the pH of the ECF decreases, K+ starts to move from the

A. ECF to the ICF. B. ICF to the ECF.

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The forearm flexors (biceps, brachii, and brachialis) are innervated by which nerve?

A. Median B. Ulnar C. Radial D. Axillary E. Musculocutaneous

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The increase in entropy during energy transformations describes

The first law of thermodynamics The second law of thermodynamics The third law of thermodynamics

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A cut that separates anterior and posterior structures is ________

A) transverse B) frontal C) midsagittal D) parasagittal

Anatomy & Physiology