30. The term syngamy refers to the: a. union of male and female pronuclei b. equ

Question

30. The term syngamy refers to the: a. union of male and female pronuclei b. equatorial division of the secondary oocyte following penetration by a sperm cell c. functional chan ges that sperm undergo in the female reproductive tract that allow them to fertilize a secondary oocyte d. functional changes in the zona pellucida and entry into a secondary oocyte e. fusion of the sperm cell with secondary oocyte's membrane 31. The part of the female reproductive system that is shed during menstruation is the: a. myometrium b. mucosa of the vagina c. functional zone of the endometrium d. tunica albuginea e. germinal epitheliunm 32. When an infant suckles, which of the following are released: a. PRL b. oxytocin c. PRL and oxytocin d. estrogen e. PRL and progesterone 33. The source of all germ cells in the developing embryo is the: a. yolk sac b. allantois c. cytotrophoblast d. yolk stalk e. chorion 34. The term capacitation refers to: a. the union of male and female pronuclei b. equatorial division of the secondary oocyte following penetration by a sperm cell c. functional changes that sperm undergo in the female reproductive tract that enable them to fertilize the secondary oocyte d. functional changes in the zona pellucida caused by release of calcium ions e. a sperm cell's penetration of the zona pellucida and entry into a secondary oocyte

Explanation / Answer

30. e. fusion of sperm cell with secondary oocytes membrane.

31. c. stratum functionalis part of the endometrium is shed during the mensturations.

32. c. suckling of baby releases the hormoes prolactin and oxytocin.

33. a. yolk sac is the source of germ cells in the embryo.

34. c. functional changes that sperm undergo in the female reproductive tract that allow them to fertilize the secondary oocyte.

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