What cause of infertility happens to nearly every woman at some point?
A. pelvic inflammatory disease (PID)
B. aging
C. luteal phase defect
D. idiopathic infertility
E. endometriosis
Answer: B
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GnRH-producing cells in the brains of male cichlids are larger in territorial individuals
a. True b. False
Herpesvirus 8 encodes a protein that acts as a(n) ____
a. tumor suppressor b. transcription factor c. cyclin d. polymerase e. enzyme
Restriction enzymes ____
a. work at recognition sites b. function only at "sticky ends" c. produce uniform lengths of DNA d. function in viruses e. are produced by viruses to break down bacterial DNA
Direct injection of CART into to ______ is rewarding for rats, suggesting that this peptide is involved in the rewarding aspects of ________.
A) ventral tegmental area; alcohol B) raphe nucleus; amphetamine C) substantia nigra; alcohol D) ventral tegmental area; cocaine