Ovulation is induced by a peak in the secretion of
A. ovulin.
B. inhibin.
C. LH.
D. progesterone.
E. estrogen.
Answer: C
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Which of the following is NOT true of catalysts?
They are unchanged by the reaction catalyzed. They allow endergonic reactions to become exergonic reactions. They increase the amount of energy released by a chemical reaction. They lower the activation energy of the reaction.
In humans, fertilization of an egg normally takes place when the sperm and egg unite in the:
A) vagina B) uterus C) fallopian tube D) ovary E) All of the above are possible locations for fertilization.
Within the bilaminar germinal disc, the layer of columnar cells that is adjacent to the amniotic cavity is the ________ layer.
Fill in the blank(s) with the appropriate word(s).
After the hairpin turn in the vasa recta, the blood within it starts to lose salt and gain water
Indicate whether this statement is true or false.