________ have 46 chromosomes, whereas ________ have 23.

A. Type A spermatogonia; type B spermatogonia
B. Secondary spermatocytes; primary spermatocytes
C. Primary spermatocytes; spermatids
D. Spermatogonia; primary spermatocytes
E. Spermatids; spermatozoa


Answer: C

Anatomy & Physiology

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T is to ________ as B is to ________

A) top; bottom B) thymus-dependent; bone marrow-derived C) thyroid; bowel D) non-thymus-dependent; bottom E) None of the answers is correct.

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Methoprene

A) Prevents insects from reproducing by not allowing the larvae to develop. B) Is a very effective insecticide that kills insects upon contact. C) Disrupts neural function of insects. D) Is highly toxic to birds.

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Which cranial bone is unique in that it articulates with every other cranial bone?

A) parietal bone B) sphenoid bone C) temporal bone D) ethmoid bone

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The procedure in which density is determined by tapping a body surface with the finger is ____________

Fill in the blank(s) with correct word

Anatomy & Physiology