Fermentation is essentially glycolysis plus an extra step in which pyruvate is reduced to form lactate or alcohol and carbon dioxide. This last step __________.

Fill in the blank(s) with the appropriate word(s).


Answer: enables the cell to recycle the reduced NADH to oxidized NAD+

Biology & Microbiology

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Turtles have all of the following except for

a. a carapace. b. jaws. c. teeth. d. a plastron. e. a keratinized beak.

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Semen is a mixture of sperm and fluids from which accessory glands?

a. seminal vesicles and prostate gland only b. prostate gland and bulbourethral gland only c. seminal vesicles, prostate gland, and bulbourethral gland d. bulbourethral gland and seminal vesicles only

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The polytene chromosomes of certain insect larvae

churn out copious amounts of gene products because a. they are acetylated. b. they are methylated. c. they contain numerous side-by-side copies of genes. d. they have multiple promoter sites. e. their histones are only loosely associated with the DNA molecules.

Biology & Microbiology

Candida albicans can establish opportunistic infections of the

A. mouth. B. skin. C. eye. D. liver. E. eyes, liver, mouth, skin, and other organs.

Biology & Microbiology