#Question id: 1124
#SCPH28 | Zoology
Which of the following is (are) intracellular second messengers?
a. Ca2+ b. cAMP c. epinephrine
d. protein kinase A e. protein kinase C
#Question id: 1125
#SCPH01 Biochemistry
Examples of G protein–coupled receptors include
a. rhodopsin receptor. b. β-adrenergic receptor.
c. insulin receptor. d. acetylcholine receptor.
#Question id: 1125
#SCPH28 | Zoology
Examples of G protein–coupled receptors include
a. rhodopsin receptor. b. β-adrenergic receptor.
c. insulin receptor. d. acetylcholine receptor.
#Question id: 1126
#SCPH01 Biochemistry
Which of the following statement(s) is (are) true of the α subunit of a G protein?
a. It physically associates with the receptor.
b. It binds GDP.
c. It binds GTP.
d. It is a transmembrane protein.
#Question id: 1126
#SCPH28 | Zoology
Which of the following statement(s) is (are) true of the α subunit of a G protein?
a. It physically associates with the receptor.
b. It binds GDP.
c. It binds GTP.
d. It is a transmembrane protein.
#Question id: 1127
#SCPH01 Biochemistry
Which of the following steps does not occur after acetylcholine binds to the muscarinic acetylcholine receptor in heart muscle cells?