Which protein functions to break down clots after wounds heal?
A) prothrombin B) thrombin C) fibrinogen D) plasmin
Answer: D
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The breakdown of one glucose molecule during glycolysis results in 2 molecules of pyruvate, which are then oxidized to 2 molecules of acetyl-CoA, and these, in turn, are substrates for the citric acid cycle
If all three fatty acids of a triacylglycerol molecule (a fat molecule) are palmitic acid (C16, having 16 carbons), how many acetyl-CoA molecules would result from beta-oxidation of all of these fatty acids? A. 4 B. 8 C. 16 D. 24 E. 32
You find a new species of mouse that, compared to the house mice you are familiar with, sprints extraordinarily rapidly but also fatigues quickly. Which type of muscle fiber (compared to an ordinary house mouse) would you expect to see an increase in?
A. slow oxidative fibers B. slow glycolytic fibers C. fast oxidative fibers D. fast glycolytic fibers E. fast and slow oxidative fibers
What is the correct order of events that occur during muscle contraction?
1) muscle shortens 2) calcium binds to troponin 3) filaments slide 4) T tubules are depolarized 5) acetylcholine is released 6) ATP molecule is split a. 4 ? 5 ? 2 ? 1 ? 3 ? 6 b. 4 ? 2 ? 5 ? 6 ? 1 ? 3 c. 5 ? 2 ? 4 ? 1 ? 6 ? 3 d. 6 ? 2 ? 5 ? 4 ? 3 ? 1 e. 5 ? 4 ? 2 ? 6 ? 3 ? 1
After the Mordant's step in Gram staining, Gram-negative bacteria will appear
A. Brown in color B. Colorless C. Green in color D. Blue/Purple in color E. Pink/red in color