Most carbohydrates, lipids, and proteins are digested, and most nutrients and water are absorbed in the ________

a. small intestine
b. stomach
c. large intestine
d. esophagus


a

Biology & Microbiology

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Botanically, the fibers in your cotton t-shirt are _____

a. angiosperm seeds d. fibers from pine needles b. gymnosperm seeds e. cellulose-rich hairs c. lignin fibers

Biology & Microbiology

What is the final stage in ecological succession?

a. Repopulation of an area b. Early colonization c. A natural disturbance d. Climax community

Biology & Microbiology

Extraembryonic membranes arise from the

a. embryonic disk. b. blastula. c. placenta. d. gastrula. e. morula.

Biology & Microbiology

Suppose that two strains of E. coli—strain a (bio- met- leu+ thr+ thi+) and strain b (bio+ met+ leu- thr- thi-)—conjugate. If the two strains are grown on minimal medium, what is the most likely genotype of their offspring?

a. bio+ met- leu- thr- thi+ b. bio+ met+ leu+ thr+ thi+ c. bio+ met+ leu- thr- thi+ d. bio- met- leu- thr- thi+

Biology & Microbiology