What second messenger is directly involved in activating protein kinase C (PKC)?

A. G protein
B. Phospholipase C
C. cGMP
D. DAG
E. cAMP


Answer: D

Biology & Microbiology

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The most likely explanation for the phenomenon where a protein may be found in different sub-cellular locations in different cells is

A. stabilization of the mRNA transcript B. alternative splicing C. RNA interference D. transport of mRNA from the nucleus to the cytoplasm

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What do mosses and other nonvascular plants

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In lakes and ponds, phytoplankton and zooplankton are most abundant in the

A) benthic zone. B) littoral zone. C) limnetic zone. D) profundal zone.

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