The function of both alcohol fermentation and lactic acid fermentation is to
A) reduce NAD+ to NADH.
B) reduce FAD+ to FADH2.
C) oxidize NADH to NAD+.
D) reduce FADH2 to FAD+.
E) none of the above
Ans: C) oxidize NADH to NAD+.
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In the Breathalyzer, ___ ethyl alcohol molecules react with ___ potassium dichromate molecules.
Fill in the blank(s) with the appropriate word(s).
Organisms that require increased pressure for optimum growth are called
A. osmotolerant. B. osmophilic. C. barotolerant. D. barophilic.
You are viewing a blood vessel under the microscope. You see three distinct layers, one of which is a thick muscular layer. The layers are separated by extensive elastic tissue. This vessel is most likely a(n)
A) capillary B) arteriole C) vein D) artery
Each breath is initiated by neurons in the "respiratory control center" located in the
A. spinal cord. B. cerebellum. C. carotid body. D. medulla oblongata. E. larynx.