Science Quiz / Male reproduction

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Can you name the HYTQ of Male reproduction?

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involved in production of a substance that gives ejaculate its alkaline nature
GnRH is composed of ____ amino acids.
Which enzyme catalyzes the conversion of cholesterol to progestins
T/F: Drugs like viagra work by inhibiting the enzyme (Type V phosphodiesterase), which catalyzes the breakdown of cGMP (cGMP stimulates vasodilation).
this gland is involved in producing pre=ejaculate
synthesizes androgen binding protein
pH of prostatic fluid
synthesizes inhibin
T/F: germ cells express estrogen receptors which optimize spermatogenesis.
The binding of Testosterone to what protein helps keep a steady supply of it in the testes.
Which cells are responsible for removing damaged germ cells from the testes?
______ acts on gonadotophs to prevent the release of FSH
T/F: Testosterone, estradiol, and DHT provides positive feedback regulation at the hypothalamus and anterior pituitary gland.
produces seminal fluid containing nutrients, fructose, and prostaglandins
Which cells provide nourishment to developing germ cells?
What type of junctional complex helps maintian the blood testes barrier?
Which two enzymes catalyze the conversion of progestins to androgens?
catalyzes the conversion of testosterone to estradiol?
testosterone serves as a negative feedback regulator for the release of what hormone?
testosterone travels in the blood bound to what protein?
How many days does spermatogenesis take?
Luteinizing hormone acts on which cell in males?
FSH acts on which cell in males?
True or False: The epididymis is involved in sperm production.
The release of what substance from the nerve terminal of the cavernous nerve causes vasodilation?
T/F: The exogenous administration of testosterone can lead to infertility
Testosterone concentration is ____ times higher in the testes than the blood.
seminal fluid accounts for what percentage of total ejaculate
Which hormone causes baldness and hair recession in males that are aging?
sperm accounts for what percentage of total ejaculate
Which portion of the autonomic nervous system controls erection?
sex binding hormone binding globulin is made in which organ?
Which cell maintains the blood testes barrier?
Which hormone binds to the same receptor as LH?

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Created Feb 25, 2012ReportNominate
Tags:male, reproduction

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