Which of the following is NOT an accessory organ

of the human digestive system?
a. salivary gland
b. esophagus
c. pancreas
d. gallbladder
e. liver


Answer: b

Biology & Microbiology

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Picrophilus has a pH optimum below 1 and can even grow at or near pH 0.

Answer the following statement true (T) or false (F)

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During radioactive decay, the nucleus of an atom ________

a. disintegrates, releasing particles and energy b. captures an unclaimed proton c. transposes its neutrons and electrons d. converts from a relatively stable to an unstable form

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From what molecule are steroid hormones

derived?

a. glucose b. cholesterol c. messenger RNA d. cyclic AMP e. glycogen

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In the conversion of pyruvate to ethanol, which

of the following is(are) produced? a. acetaldehyde b. carbon dioxide c. NADH d. acetaldehyde and carbon dioxide only e. acetaldehyde, carbon dioxide, and NADH

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