Lancelets live in

A) deserts.
B) treetops.
C) sulfur springs.
D) fresh water.
E) the sea.


E

Biology & Microbiology

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Are any of the offspring or parents affected?

a. Yes b. No

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Which of the RNAs act as an enzyme?

a. mRNA b. rRNA c. tRNA d. mRNA and rRNA e. none of the RNAs act as an enzyme

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The principle of comparative advantage is associated with

a. restricting consumer choices. b. greater production at higher prices. c. specialization and exchange. d. comparing the efficiency of alternative tariffs.

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The corpus luteum secretes which hormone in great abundance to inhibit FSH and to build up the lining of the uterus?

A. estrogen B. follicle-stimulating hormone C. progesterone D. luteinizing hormone

Biology & Microbiology