If one homogenizes liver cells,separates the membranes from the cytoplasm,and then adds epinephrine to only the cytoplasmic portion,
A)cAMP will be produced.
B)G-proteins will be activated.
C)adenylyl cyclase will be activated.
D)calcium ions will be released.
E)none of the above

Question

Quizplus · Accepted Answer

Epinephrine requires membrane-bound receptors to initiate signaling pathways, which are absent in the isolated cytoplasm.

If One Homogenizes Liver Cells,separates the Membranes from the Cytoplasm,and