Which of these is often used as a prophylactic measure to protect a person against future attack by a pathogen?

A) antiserum injection
B) artificial passive immunity
C) vaccination
D) None of these are correct.


Answer: C

Biology & Microbiology

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Reverse transcriptase is a(n)

A) RNA-dependent DNA polymerase. B) DNA-dependent DNA polymerase. C) RNA-dependent RNA polymerase. D) DNA-dependent RNA polymerase.

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In the TCA cycle, two carbons are removed from citric acid in the form of ________, thereby regenerating oxaloacetate to complete the cycle.

A. acetyl-CoA B. methanol C. carbon dioxide D. ethanol

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In producing the protein dystrophin, DNA is __________ to RNA and then __________ to a

protein in the cytoplasm of the cell.

a. transcribed; translated b. translated; transcribed

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What is a wiki?

A) It is a keyword associated with a piece of information. B) It is an online discussion site where people can hold conversations. C) It is a type of a Web site that is usually maintained by an individual. D) It is a website that is open to collaborative editing by multiple individuals.

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