12th Class Chemistry Chemistry in Everyday Life

  • question_answer 51)   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:

       (B,D) The active site of receptor proteins opens on the outer region of the cell and the shape of receptor changes during attachment of messenger.

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