What is the definition of a prohormone?
A. A longer protein or peptide that is cleaved into shorter ones, at least one of which is a peptide or protein hormone
B. Hormones that bind to endocrine glands and inhibit the secretion of a second hormone
C. Hormones that bind to endocrine glands and stimulate the secretion of a second hormone
D. Hormones that stimulate the expression of receptors for a second hormone, promoting their action
E. Steroid hormones that are inactivated by having hydroxyl groups removed from their structure
Answer: A
You might also like to view...
The function of the prostate gland is to
A. produce 60% of the seminal fluid. B. prevent urine from mixing with semen. C. contribute to the seminal fluid and lubricate the end of the penis during intercourse. D. None of the above
Cells lose water when placed in a __________ solution
A) hypotonic B) dilute C) isotonic D) hypertonic
When elements found in column VIA of the periodic table become ions, they usually have a charge of
A. -1. B. -2. C. +3. D. +2. E. +1.
What is the so-called "hunger hormone"?
a. ghrelin b. insulin c. leptin d. peptide YY3-36 e. corticotropin-releasing hormone