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AP Biology/Unit 4: Cell Communication and Cell Cycle
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Bacterial Signal Transduction
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Which statement best describes a mechanism by which bacterial cells detect and respond to changes in their chemical environment?

A

Two-component signaling systems transfer phosphate groups

B

Activation of G protein-coupled receptors in the cell wall

C

Receptor-mediated endocytosis of environmental signals

D

Nuclear receptors bind directly to environmental molecules

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