After 2 Years of Hard Work,a Graduate Student Finally Succeeds

question 16

Multiple Choice

After 2 years of hard work,a graduate student finally succeeds in creating a gene knockout mouse lacking CD4.The student is particularly careful to keep this mouse line in a microbe-free animal facility because these mice are expected to show:

• A)No ability to produce IgM antibodies
• B)Impaired ability to produce antibodies and activate macrophages
• C)No ability to activate naive class I-restricted T cells
• D)Complete absence of cytotoxic T lymphocyte (CTL)responses to viral infections
• E)Failure to produce neutrophils

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Definitions:

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Potential negative outcomes or losses that may occur as a result of an investment or decision.

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Tax-advantaged, employer-sponsored retirement saving plans that allow employees to save a portion of their paycheck before taxes are taken out.

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