Which molecules are involved with regulation of cross bridge attachment activity?
a. calcium ions.
b. troponin.
c. tropomyosin.
d. both (a) and (b) above.
e. all these answers.
D
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The ____________________ lobes of the cerebral cortex are responsible for initial processing of visual input
Fill in the blank(s) with correct word
The pull called tension is a (n) ________ force.
A) Passive B) Assertive C) Aggressive D) Active E) all of the above
In which of the following would you expect the blood level of bilirubin to be elevated?
A) a person suffering from higher levels of hemolysis B) an alcoholic with a damaged liver C) a person with an iron-deficient diet D) both a person suffering from hemolysis and an alcoholic with a damaged liver E) a person with increased clotting times.
John is a sprinter who specializes in quick and powerful bursts of speed followed by periods of rest. Jim is a marathon runner who specializes in long, steady runs. Compared to Jim, John is likely to have:
A. legs with a larger diameter. B. legs with a smaller diameter. C. hypertrophy of type I muscle fibers. D. a higher density of capillaries in his legs. E. lower concentrations of glycolytic enzymes in his leg muscles.