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Which of the following statements are incorrect about receptor proteins?
(i) Majority of receptor proteins are embedded in the cell membranes.
(ii) The active site of receptor proteins opens on the inside region of the cell.
(iii) Chemical messengers are received at the binding sites of receptor proteins.
(iv) The shape of the receptor doesn’t change during attachment of the messenger.
Answers (1)
Receptor proteins are found in the plasma membrane, they are responsible of receiving the chemical signals from other cells and reacting accordingly from changing electrical activity to accepting pharmaceutical drugs. Therefore, option (ii) The active site of receptor proteins opens on the inside region of the cell, and (iv) The shape of the receptor doesn’t change during attachment of the messenger are the answers.
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