Science Quiz / Male reproduction

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Can you name the HYTQ of Male reproduction?

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

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