Fall 2006 2

Fall 2006 2 - 1. Which of the following statements about...

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1. Which of the following statements about hormones is NOT correct? A. *Endocrine glands secrete their products into specific ducts. B. The hypothalamus secretes neurohormones. C. Most lipid-soluble hormones are derived from cholesterol. D. Most polypeptide and protein hormones are synthesized as prohormones. 2. Which of the following statements about the responsiveness to hormones is NOT correct? A. Responsiveness of cells to hormones is determined by the presence or absence of specific hormone receptor proteins. B. *A chronically high hormone concentration often leads to an increased receptor number. C. Protein hormones bind to receptors located within the plasma membrane. D. Epinephrine can act through two second-messenger systems (cAMP and Ca 2+ ). 3. Which of the following statements about steroid hormones is NOT true? A. Steroid hormone action requires receptor dimerization. B. Steroid hormones are derived from cholesterol. C. *Steroid hormones interact with receptors that perform post-translational processing. D.
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Fall 2006 2 - 1. Which of the following statements about...

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