Which of the following is NOT part of the pharynx?

A. Oropharynx
B. Nasopharynx
C. Esopharynx
D. Laryngopharynx


Answer: C. Esopharynx

Biology & Microbiology

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Which excitatory neurotransmitter is responsible for muscle contraction in vertebrates?

A. dopamine B. norepinephrine C. nitrous oxide D. glutamate E. acetylcholine

Biology & Microbiology

Of the following, AIDS is usually transferred by:

a. casual contact b. food c. water d. sexual intercourse e. insect bites

Biology & Microbiology

In a conjugated protein, a prosthetic group is:

A) a fibrous region of a globular protein. B) a nonidentical subunit of a protein with many identical subunits. C) a part of the protein that is not composed of amino acids. D) a subunit of an oligomeric protein. E) synonymous with "protomer."

Biology & Microbiology

Which of the following is the function of bacteria found in human guts?

a. to synthesize vitamin A b. to synthesize vitamin C c. to synthesize vitamin K d. to synthesize vitamin B

Biology & Microbiology