A small number of cell surface receptors can ultimately generate a large intracellular response due to activation of kinase cascades. This is referred to as

A. signal activation.
B. signal transduction.
C. signal dampening.
D. signal amplification.


Answer: D

Biology & Microbiology

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Acute bacterial endocarditis differs from subacute bacterial endocarditis in the

A. suddenness and severity of onset. B. population affected. C. resultant damage. D. development of exotoxin shock.

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The removal of the root cap eliminates the ability of a root to respond to gravity.

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

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Genetic engineering has been able to provide xenotransplants that do not elicit the hyperacute reaction. Indicate whether the statement is true or false

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