When a Steroid Hormone and a Polypeptide Hormone Exert Similar

question 56

Multiple Choice

When a steroid hormone and a polypeptide hormone exert similar effects on a population of target cells, then ________.

• A) the steroid and polypeptide hormones must use the same biochemical mechanisms
• B) the steroid and polypeptide hormones must bind to the same receptor protein
• C) the steroid hormones affect the synthesis of effector proteins, whereas polypeptide hormones activate effector proteins already present in the cell
• D) the steroid hormones affect the activity of certain proteins within the cell, whereas polypeptide hormones directly affect the processing of mRNA

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Definitions:

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