An enzyme maintains a rigid structure while catalyzing a reaction.

a. true
b. false


Ans: b. false

Biology & Microbiology

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The appendix is a vestigial structure that extends off of the

a. cecum. b. colon. c. duodenum. d. rectum. e. stomach.

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What molecule is a product of glycolysis, pyruvate oxidation, and the citric acid cycle?

a. ATP b. FADH2 c. NADH d. H2O

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Many of the regions of the world where hunger is prevalent are also regions with hot and dry climates. What types of agricultural crops would you suggest that these regions attempt to grow?

A) C3 plants, such as wheat and rice B) C3 plants and C4 plants, such as corn and sugarcane C) C3 plants and CAM plants, such as prickly pear and pineapple D) C4 plants and CAM plants

Biology & Microbiology

The Quellung reaction is a test to detect

A) hemolysins. B) kinases. C) pyrogens. D) capsule antigens. E) protein M.

Biology & Microbiology