Which statement about AC is true?

Question

Which statement about AC is true?

ACs are only activated by GPCRs

AC can be activated by either GPCRs or PKRs

ACs are only activated by ion channels

ACs are only activated by PKRs

ACs are only activated by direct lipid signals

Answer 1

The true statement about AC (adenylyl cyclase) is: "AC can be activated by either GPCRs (G protein-coupled receptors) or PKRs (protein kinase receptors)."