A protein kinase activating many other protein kinases is an example of _____.

a. deactivation
b. sensitization
c. mutualism
d. a cellular response
e. amplification


Answer: e. amplification

Biology & Microbiology

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Sexual reproduction

a. leads to uniform characteristics within a population. b. results in new combinations of genetic traits. c. creates genetic clones. d. requires less tissue differentiation than asexual reproduction. e. produces genetic clones and requires less tissue differentiation than asexual reproduction.

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What tissue conducts water and dissolved minerals from the roots to the stems and leaves?

a. collenchyma b. epidermis c. periderm d. xylem e. phloem

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A soldier ant dies defending the ant colony from invading termites. Which of the following terms best

describes this event? a. suprachiasmatic protection b. sociobiology c. ultimate cause d. inclusive fitness e. altruism

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The best clothing to wear during exercise in the heat would be garments that allow air to move freely through them.

a. true b. false

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