Methanogens that use methyl-CoM for biosynthesis use ________ as a substrate

A) acetate
B) carbon monoxide
C) methane
D) methanol


Answer: D

Biology & Microbiology

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Increased heart rate and blood pressure and unusually heavy sweating are symptoms of

a. hyperthyroidism. b. Grave's disease. c. acromegaly. d. hypothyroidism. e. Wilson's disease.

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The presence of 2 disulfide bonds near each other is a good thing when a stretch of protein is to be immobilized.

a. true b. false

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When a B cell first interacts with its particular antigen, the B cell

A) dies after destroying the antigen. B) engulfs the antigen and digests it. C) differentiates and develops into a clone of antibody-producing effector cells. D) alters the chemical configuration of the antigen.

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