115-StudyBlue Flashcard Printing of MEDSCI 142 Study Guide (2018-19 Many).pdf

115-StudyBlue Flashcard Printing of MEDSCI 142 Study Guide (2018-19 Many).pdf

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9/27/2018 StudyBlue Flashcard Printing of MEDSCI 142 Study Guide (2018-19 Many) 115/216 How are cell processes that were activated by water-soluble hormones stopped? (2) - Phosphodiesterase inactivates cAMP, stops the phosphorylation cascade- G proteins slowly inactivate naturally, decreasing activity of adenyl cyclase Spermatogenesis:-only occurs after __; __-__ sperm per gram of testis tissue/second produced ___-full process of spermatogenesis takes ~__days-average male testicle=__g therefore ~___sperm /second produced in both testicles -3 phases to spermatogenesis:1.__(2n=)2__(n=)3__ phases 2 and 3 require __ -puberty, 300-600, constantly-70-20, 20m000- mitotic division, 46-meiotic division, 23- cytodifferentiation-morphologiacl change from round spermatid to spermatozoon -testosterone How many hormones does the
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