Biology

Question

When do amlno acld hormones bind to thelr receptor?

• A) after enzymes are activated

• B) after diffusing through the membrane

C) before entering the plasma membrane

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D) after the target cell responds

Answer

B) after diffusing through the membrane.

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Amino acid hormones are water-soluble and cannot pass through the plasma membrane of the target cell. Therefore, they bind to receptors on the...