What is the main role of human chorionic gonadotropin?
A. It is similar to FSH in stimulating follicle development.
B. It stimulates the release of oxytocin from the mother's pituitary.
C. It maintains the corpus luteum.
D. It allows the mother to realize she is pregnant, via pregnancy tests.
Answer: C
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An acid dissociates in water to release
A) hydrogen ion(s). B) cation(s). C) hydroxyl group(s). D) anion(s). E) both anions and hydrogen ions.
Which of the following is a characteristic by which viruses are classified?
A) type of nucleic acid B) type of life cycle C) number of chromosomes D) type of host E) size
Which of the following statements is not true?
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A large protein that passes through the nuclear pore must have an appropriate _________
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