Which Statement Concerning Receptor Enzymes Is CORRECT

question 91

Multiple Choice

Which statement concerning receptor enzymes is CORRECT?

• A) They are not usually membrane-associated proteins.
• B) They contain an enzyme activity that acts on a cytosolic substrate.
• C) They contain an enzyme activity that acts on the extracellular ligand.
• D) They have a ligand-binding site on the cytosolic side of the membrane.
• E) They have an active site on the extracellular side of the membrane.

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