Which of the following functions do "second messengers" perform in signaling pathways? Ensure each element in the pathway only activates the next element Increase the speed of a cell's response to the signaling molecule All of these answers but one are TRUE Increase the specificity of the signaling response None of the other answers are TRUE
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Second messengers are intracellular signaling molecules that are activated by the binding of a signaling molecule (often a hormone or neurotransmitter) to a cell surface receptor. They help to propagate the signal from the cell surface to the interior of the cell, Show more…
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The benefit of second messengers in signal transduction pathways is a. an increase in the speed of a cellular response. b. duplication of the ligands in the system. c. amplification of the signal. d. all of the above. e. a and c only.
Which of the following are considered second messengers in cell signaling pathways (select ALL that apply)? All of the choices are second messenger molecules Cyclic AMP Growth hormone Inositol triphosphate (IP3) Calcium ion Insulin
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