In fermentation, ________ is ________.

A) NAD+ . . . oxidized
B) NADH . . . oxidized
C) pyruvate . . . oxidized
D) NADH . . . reduced
E) ethanol . . . oxidized


Answer: B) NADH . . . oxidized

Biology & Microbiology

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The eggs released by sponges during reproduction have proteins on their surfaces that prevent sperm from different sponge species from binding to the eggs. What type of reproductive isolation would include this example?

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