Among the Regulatory Peptide Molecules, Some Are Recognized as True

question 2

Multiple Choice

Among the regulatory peptide molecules, some are recognized as true hormones. Which of the following is a paracrine rather than a hormone?

• A) somatostatin
• B) secretin
• C) cholecystokinin
• D) gastrin

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Definitions:

HI

The chemical formula for hydrogen iodide, a diatomic molecule.

KOH

Potassium Hydroxide, a strong alkali used in various chemical processes and as a cleaning agent.

NaBr

Sodium bromide, a salt with various uses including in medicines, as a sedative, and in photographic processing.

React

To undergo a chemical change or transformation in response to another substance or condition.