Many Physiological Conditions Are Related to Particular Proteins in Cell

question 17

Multiple Choice

Many physiological conditions are related to particular proteins in cell membranes. The number of insulin receptors in membranes is related to the amount of insulin present around those cells. If the presence of increased insulin results in a decrease in receptors and a decrease in insulin results in an increase in insulin receptors, this would be an example of

• A) a metabolic pathway.
• B) feedback inhibition.
• C) passive transport.
• D) competitive inhibition.

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