Multiple choice

Which of the following statements does not characterise receptors?

  1. They speed up the reactions by chemical messengers.

  2. Many of them are proteins being lying in the cell membrane.

  3. They get attached to the chemical messengers such as neurotransmitters or hormones.

  4. Receptors accomodate a shallow cleft on their surface known as binding site.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The binding site of receptors is analogous to the active site of enzymes. However, no reaction is catalysed. 

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