Fast muscle fibers differ from slow muscle fibers in that fast muscle fibers
a. are able to take up oxygen more quickly from the blood.
b. are equipped with a myosin-ATPase with more rapid kinetics.
c. are able to generate ATP more rapidly.
d. conduction action potentials more rapidly.
e. are recruited by the nervous system more rapidly.
B
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Analysis of a single DNA strand yielded this information on amounts of some nucleotides: 43 units of cytosine and 51 units of adenine. What amounts would you expect of guanine and thymine in that strand? What amounts would you expect of all bases in the complementary strand?
What will be an ideal response?
Energy input equals energy output. This statement is known as the
A) second law of thermodynamics. B) law of mass balance. C) first law of thermodynamics.
In cats, the trapezius group of muscles is composed of three distinct muscles. How many muscle(s) make up the trapezius in humans?
A) two B) one C) three D) four
Which diagnostic test may show the presence of scabies mites that have burrowed into the skin and deposited their eggs?
A. Wood's biopsy B. Wood's light C. Skin scraping D. Skin biopsy