In Some Cases,just a Few Hormone Molecules Binding to the Surface

question 19

Multiple Choice

In some cases,just a few hormone molecules binding to the surface of a cell can trigger a very large response because

• A)each hormone can bind to transcription factors simultaneously causing amplification of the signal.
• B)the signal is amplified by activation of transcription factors that each catalyze multiple reactions.
• C)each hormone can bind to multiple receptors simultaneously causing amplification of the signal.
• D)the hormone triggers the cell to release more hormones,amplifying the signal.
• E)the signal is amplified by activation of enzymes that each catalyze multiple reactions.

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Definitions:

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