Second messengers are triggered as a response to:
A) steroid hormones
B) anabolic steroids
C) peptide hormones
D) all of the above
E) none of the above
Answer: C) peptide hormones
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Braxton-Hicks contractions are those that occur
A. during premature labor. B. during false labor. C. during true labor. D. in smooth muscle near the uterus. E. with the most painful intensity.
Messenger RNA is vital to the cell because
A) mRNA can leave the nucleus. B) mRNA cannot leave the nucleus. C) DNA can leave the nucleus. D) DNA cannot leave the nucleus. E) mRNA can leave the nucleus, and DNA cannot leave the nucleus.
Blood platelets
A. form from lymphoid stem cells. B. release histamine. C. release serotonin. D. number from 3,500 to 10,500 per microliter blood.
At resting membrane potential, passive and active forces exactly balance each other so there is no net movement of ions across the membrane
Indicate whether the statement is true or false