Kidney stones are primarily composed of which substances that settle out of urine?

A. Potassium salts
B. Uric acid and calcium
C. Urea and potassium
D. Phosphates and amino acids
E. Fatty acid salts


Answer: B

Biology & Microbiology

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A new species of mouse is discovered that can sprint extraordinarily rapidly but also fatigues quickly. How would you expect its muscle composition to compare to that of an ordinary house mouse?

A. more slow oxidative fibers B. more slow glycolytic fibers C. more fast oxidative fibers D. more fast glycolytic fibers E. fewer fast glycolytic fibers

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Genetic markers that distinguish a self cell from a foreign invader are typically ________.

A. polysaccharides B. proteins or glycoproteins C. DNA or RNA D. lipids or lipoproteins

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The major model of vesicle fusion holds that the specificity of a vesicle fusing with its target membrane lies in the interaction of pairs of proteins called v- (vesicle) and t- (target)

a. SNAREs. b. SNAPs. c. COPs. d. NSFs.

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During the oxidation of glucose via aerobic respiration, FADH and NADH reoxidation______

A. Occurs during Krebs cycle B. is not needed C. uses a membrane-bound electron transport chain D. is coupled to substrate level phosphorylation E. None of the above

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