In the conversion of pyruvate to ethanol, what is produced?
a. acetaldehyde only
b. carbon dioxide only
c. NADH only
d. acetaldehyde and carbon dioxide
e. acetaldehyde, carbon dioxide, and NADH
ANSWER: d
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Which of these groups is most closely related to humans?
a. gorillas b. new world monkeys c. orangutans d. old world monkeys e. chimpanzees
Compare and contrast the cyclic and noncyclic electron transport pathways of photosynthesis. What will be an ideal response?
Vessel elements and tracheids develop via the process of programmed cell death, also called
apoptosis. ____________________ Indicate whether the statement is true or false.
Complex, three-dimensional, tertiary structures of proteins result from
A) ionic bonds. B) ionic and hydrogen bonds C) hydrogen and disulfide bonds. D) hydrogen bonds. E) disulfide bonds.