Which type of cell produces cytokines to enhance the adaptive immune response?

a. B cells
b. helper T cells


c. cytotoxic T cells
d. plasma cells
e. memory cells


ANSWER: b

Biology & Microbiology

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If a strict vegan were planning a meal with a good mix of amino acids, he or she would probably combine a legume (such as beans) with

a. eggs. b. leafy vegetables, such as spinach. c. root vegetables, such as yams. d. grains, such as rice or wheat. e. starchy fruits, such as bananas and plantains.

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How is translation initiated?

A. Two ribosomal subunits bind to the DNA sequence. B. Two ribosomal subunits bind to the mRNA transcript. C. DNA helicase binds to the origins of replication. D. RNA polymerase binds to the promoter sequence.

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Which of the following viruses is suspected of being a cause of diabetes mellitus?

A. coxsackie A virus B. coxsackie B virus C. echoviruses D. enteroviruses E. hepatitis A

Biology & Microbiology

Australopithecis anamensisis a good direct ancestor for Australopithecus afarensis

a. true b. false

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