Start typing, then use the up and down aroows to select an option from the list.
Biochemistry
Learn the toughest concepts covered in Biochemistry with step-by-step video tutorials and practice problems by world-class tutors
12. Biosignaling
Summary of Biosignaling
Next Topic
1
concept
Summary of Biosignaling
9m
Play a video:
2
Problem
Which of the following statements is FALSE?
A
Activation of the α-adrenergic receptor leads to increased levels of Calcium in the cytoplasm.
B
Cholera toxin causes the inhibition of Gs GTPase activity, leading to an overstimulated signal.
C
Upon receptor autophosphorylation, JAK2 then binds to the receptor via its SH2 homology domains.
D
4 cAMP molecules are required to activate protein kinase A.
E
Phosphorylated and dimerized STAT5 acts as a transcription factor in the nucleus.