Phosphodiesterase directly functions to a. enzymatically activate the alpha subunit of the G protein b. enzymatically cleave a membrane phospholipid to form IP3 and DAG c. enzymatically inactivate cyclic GMP d. open Ca++ channels in the sarcoplasmic reticulum e. none of the above

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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1. Phosphodiesterase directly functions to

a. enzymatically activate the alpha subunit of the G protein

b. enzymatically cleave a membrane phospholipid to form IP3 and DAG

c. enzymatically inactivate cyclic GMP

d. open Ca++ channels in the sarcoplasmic reticulum

e. none of the above

2. The molecule on the picture marked (*) is a (mark all apply)

a. G protein-coupled hormone receptor

b. second messenger

c. protein kinase enzyme

P P P P
P-
Transcribed Image Text:P P P P P-
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