Question

WhiCh of the following statements are incorrect about receptor proteins?
(a) Majority of receptor proteins are embedded in the cell membranes
(b) The active site of receptor proteins opens on the inside region of the cell
(c) Chemical messengers are received at the binding sites of receptor proteins
(d) Shape of receptor doesn't change during attachment of messenger

Answer 1

Answers: (b), and (d)

Receptor proteins are embedded in the cell membrane and their active sites project outside the region of the cell membrane. The shape of the receptor changes during the attachment of the messenger.