During ejaculation, smooth muscle in the ejaculatory duct, seminal vesicles, epididymis, prostate, and bulbourethral glands are stimulated by
A) prostaglandins.
B) ejaculatory-stimulation hormone.
C) sympathetic nerves.
D) parasympathetic nerves.
E) LH and FSH.
C
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Endotherms have higher metabolic rates than do ectotherms and are therefore able to be active over a narrower range of environmental temperatures
A. true B. false
The gland that secretes fructose and prostagladins that become part of the semen is the
A. seminal vesicle. D. epididymus. B. bulbourethral gland. E. vas deferens. C. prostate gland.
You are working on a team that is designing a new drug. For this drug to work, it must enter the cytoplasm of specific target cells. Which of the following would be a factor that determines whether the molecule selectively enters the target cells?
A) hydrophobicity of the drug molecule B) lack of charge on the drug molecule C) similarity of the drug molecule to other molecules transported by the target cells D) lipid composition of the target cells' plasma membrane
This is a specific staining method for spirochetes
A. Giemsa?s stain B. Ziehl-neilsen stain C. Acid-fast stain D. Gram?s stain