The fasciculus gracilis and fasciculus cuneatus would help us
A. perceive pain.
B. tell if an object is rough or smooth.
C. sense temperature.
D. move our arms and legs.
E. write a sentence.
B
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The uptake of cholesterol into cells is an example of
A. receptor-mediated endocytosis. B. simple diffusion. C. receptor-mediated exocytosis. D. phagocytosis. E. pinocytosis.
Besides capillaries, villi also contain lymphatic vessels called
A) gastric glands. B) lacteals. C) plicae circulares. D) muscularis mucosae. E) haustra.
Which of the following are composed of myosin?
A) thick filaments B) thin filaments C) all myofilaments D) Z discs
Select the correct statement about proteins.
A) Strict vegetarians need not worry about adequate protein intake, as most vegetables are almost perfect sources of amino acids. B) Proteins can be synthesized in the body if most of the amino acids are present. C) Proteins will be used by most cells for ATP synthesis if insufficient carbohydrates are ingested. D) Catabolic steroids (hormones) accelerate the