Health

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Blissful Wellness: Unleashing the Ultimate Guide to Radiant Health! Unlock the secrets to a vibrant life and embrace pure joy in every day.

a. spermatids lose much of their cytoplasm and grow a flagellumb. sperm cells, or spermatozoa, are formed c. sperm become completely ready to fertilize an egg cell

a. is caused by the zona pellucida b. is essential for fertilization. c. occurs in the male d. prevents polyspermy

a. Spermatogonia-spermatid-spermatocyte-sperms b. Spermatocyte-spermatogonia-spermatid-sperms c. Spermatogonia-spermatocyte-spermatid-sperms.

An assay of serum samples from a normal woman with a history of regular 28-day cycles indicates that:

A. increases steadily pregnancyB. increases beginning about 2 months after fertilization C. increases beginning less than 2 weeks after fertilization D. peaks 4-6 months after fertilization