According to Fig 9.10, which of the following is NOT responsible for amplifying the signal in a cell responding to adrenaline signaling?

A. the binding of the receptor by adrenaline
B. the production of cAMP by adenylyl
cyclase
C. the activation of protein kinase A by cAMP
D. the phosphorylation of proteins by protein
kinase A
E. All of these choices amplify the adrenaline
signal.


E

Biology & Microbiology

You might also like to view...

In the identification of mycobacterial isolates, the Tween 80 test involves:

a. an enzyme that is able to produce Tween 80 from certain ingredients found in the medium. b. a lipase that is able to hydrolyze polyox-yethylene sorbitan monooleate into oleic acid and polyoxyethylated sorbitol. c. the metabolism of niacin to nicotinic acid by enzymatic action. d. testing the isolate for susceptibility to Tween 80.

Biology & Microbiology

Which of the following is the term for the chemical reactant to which an enzyme binds?

a. Catalyst b. Substrate c. Active site d. Lock-and-key

Biology & Microbiology

Generation time increasing with body size is least likely in _______

a. bacteria b. plants c. animals d. protists e. fungi

Biology & Microbiology

The boreal forests of North America are dominated

by a. spruce, fir, and pine. b. redwoods and sequoia. c. birch and aspen. d. long-leaf and loblolly pines. e. cedars and junipers.

Biology & Microbiology