The role of inhibin in male reproduction is to
A) decrease the production of testosterone.
B) keep testosterone levels high inside the seminiferous tubule.
C) stimulate the testes to descend.
D) stimulate spermiogenesis.
E) provide negative feedback regulation of FSH and GnRH secretion.
E
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The hormone related to appetite control is
A) thymosin. B) brain natriuretic peptide. C) melanin. D) leptin. E) erythropoietin.
Anabolism includes reactions in which ________.
A) carbohydrate utilization increases B) larger molecules or structures are built from smaller ones C) structural proteins are used as a potential energy source D) ketone bodies are formed
High progesterone levels during the luteal phase ________.
A. suppresses FSH and LH B. causes thickening of the endometrium C. causes cervical mucus to thicken D. All of the choices are correct.
A pH of 9 is:
-acidic -basic -neutral -strongly acidic