Q.

Regarding heterotrimeric G proteins

A. GDP is bound to the B subunit
B. They are not serpentine receptors
C. The delta unit separates from the other subunits to bring about the biological effect
D. The intrinsic GTPase activity of the alpha subunit converts GTP to GDP
E. They span the membrane seven times
Answer» E. They span the membrane seven times
591
0
Do you find this helpful?
1

View all MCQs in

Physiology

Discussion

No comments yet