In alcoholic fermentation, _____ is the final acceptor of electrons

a. oxygen c. acetaldehyde
b. pyruvate d. sulfate


C

Biology & Microbiology

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Which of the following enzymes is responsible for initiating certain types of base excision repair?

A. DNA polymerase B. DNA ligase C. AP endonuclease D. DNA uracil glycosylase E. None of the answer options is correct.

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People with cystic fibrosis display a single phenotype for the disorder

a. True b. False Indicate whether the statement is true or false

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What characteristics of coastal seas allow the area to support a larger number of high-level consumers? a. High productivity and shorter food chains

b. High productivity and large populations of prey. c. Shorter food chains and large populations of prey. d. High productivity and high species diversity.

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How does evolutionary change occur?

A. It may involve horizontal gene transfer. B. Through the modification of characteristics in a preexisting population. C. It may involve vertical descent with mutation. D. All of these choices are correct. E. None of these choices are correct.

Biology & Microbiology