Which of the following is true of peptidergic messengers?

A) None act directly, they all require a secondary messenger.
B) They all utilize G-protein-adenylate cyclase in a second messenger system.
C) They all use derivatives of phosphatidylinositol in a second messenger system.
D) None of the above is true.


A

Environmental & Atmospheric Sciences

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Which of the following energy sources is thought to drive the lateral motions of Earth's lithospheric plates?

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What will be an ideal response?

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