In human reproduction, once conception and successful implantation have occurred,
A) CG secreted by the placenta simulates the activity of LH.
B) The corpus luteum continues progesterone and estrogen secretion for the first trimester.
C) The placenta eventually assumes the production of progesterone and estrogen.
D) All of the above
Answer: D
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The components of ribosomes are formed within
A) the endoplasmic reticulum. B) Golgi complexes. C) lysosomes. D) mitochondria. E) nucleoli.
The function of hemoglobin is to
A) carry dissolved blood gases. B) carry bicarbonate ion. C) aid in the process of blood clotting. D) produce antibodies. E) stimulate erythropoiesis.
The I band contains
A) thick and thin filaments. B) thick filaments only. C) thin filaments only. D) myosin only.
Increased aldosterone production does NOT result in a/an
a. decrease in tubular K+ secretion. b. increase in urinary K+ excretion. c. increase in tubular K+ secretion. d. decrease in urinary Na+ excretion. e. increase in tubular Na+ reabsorption.