What would one consequence be if a man suffers an injury to his cremaster?
A. An undescended testis
B. Sterility
C. A smooth scrotal sac
D. Erectile dysfunction
Answer: B
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The basal nuclei (basal ganglia) ________.
A. are located in the diencephalon, are involved in regulating voluntary motor activities, and control heart rate, respiration, blood pressure, and other autonomic functions B. are located in the diencephalon C. control heart rate, respiration, blood pressure, and other autonomic functions D. are involved in regulating voluntary motor activities
A double covalent bond involves
A. the donation of one pair of electrons. B. the sharing of one pair of electrons. C. the donation of two pairs of electrons. D. the sharing of two pairs of electrons.
Which hormone suppresses uterine contractions until birth?
A) relaxin B) human chorionic gonadotropin (hCG) C) human placental lactogen (hPL) D) melanocyte-stimulating hormone (MSH)
Streptomycin is an antibiotic that binds to bacterial ribosomes. Which cellular process will this drug prevent, thus causing the death of the bacteria?
A) Cellular respiration B) Protein synthesis C) DNA replication D) Cellular transport