Which of the following is involved in B cell selection and tolerance?

A) clonal anergy
B) clonal deletion
C) clonal anergy and deletion
D) allelic exclusion


Answer: C

Biology & Microbiology

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Indicate whether this statement is TRUE or FALSE.

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A. carbon dioxide. B. sunlight. C. oxygen. D. chlorophyll. E. glucose.

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Dead Bordetella pertussis can be used in a(n)

A) inactivated whole-agent vaccine. B) attenuated whole-agent vaccine. C) conjugated vaccine. D) subunit vaccine. E) toxoid vaccine.

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The size and shape of a colony is not useful for identification of a microorganism because most microorganisms produce colonies that are indistinguishable from one another.

Answer the following statement true (T) or false (F)

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