#Question id: 1138
#Section 3: Genetics, Cellular and Molecular Biology
A loss-of-function mutation in Wnt would have a phenotype similar to a
a. gain-of-function mutation in GSK-3.
b. gain-of-function mutation in β-catenin.
c. loss-of-function mutation in GSK-3.
d. loss-of-function mutation in β-catenin.
#Question id: 1140
#Section 3: Genetics, Cellular and Molecular Biology
Cell sensitivity to an external signal is determined by:
#Question id: 1142
#Section 3: Genetics, Cellular and Molecular Biology
Of the components of a heterotrimeric G protein, which subunit(s) is(are) able to activate downstream responses?
#Question id: 1144
#Section 3: Genetics, Cellular and Molecular Biology
Which of the following is NOT a common intracellular second messenger?
#Question id: 1145
#Section 3: Genetics, Cellular and Molecular Biology
Phospholipase C is activated by:
#Question id: 1146
#Section 3: Genetics, Cellular and Molecular Biology
Which of the following general statement(s) about a G protein–coupled receptor is (are) TRUE?