Which is not a protein found in thin filaments?
A. Actin
B. Tropomyosin
C. Troponin
D. Myosin
E. No exceptions; all are found in thin filaments.
Answer: D
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A membrane attack complex is a protein grouping that
A. triggers phagocytosis of a target cell by a nearby macrophage or neutrophil. B. forms a channel in the target cell membrane that causes cytolysis. C. links a pathogen to a red blood cell so that it is carried to the liver or spleen. D. stimulates basophils to attack a multicellular parasite in the body.
Which type of drug would be useful in dilating the pupils for an examination of the retina?
A) alpha-1 receptor inhibitor B) beta-3 receptor mimic C) beta-1 receptor mimic D) muscarinic receptor inhibitor
On the os coxae, the ischial ramus is fused to the
A. superior pubic ramus. B. ischial body. C. inferior pubic ramus. D. pubic tubercle. E. ischial spine.
After consuming a carbohydrate rich meal, insulin is released by the pancreas to lower serum glucose levels. when serum glucose levels have returned to normal the secretion of insulin is inhibited. this is an example of which feedback mechanism?
a) positive feedback inhibition b) neutral feedback inhibition c) negative feedback inhibition d) parallel after discharge inhibition