Biology, 19.08.2019 20:30 tigermath85
Research generally supports the theory that caffeine may enhance performance in long distance endurance events. which of the following is the least likely hypothesis?
(a) it may exert a psychologically stimulating effect.(b) it stimulates the release of epinephrine from the adrenal gland.(c) it decreases the use of both free fatty acids and muscle glycogen.(d) it may decrease the perception of effort during exercise.(e) it may exert a direct effect on the muscles to increase muscle contractile force.
Answers: 2
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The series of transgressions and regressions that produce cyclothems were likely produced by
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Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.
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Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?
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Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?
Answers: 2
Research generally supports the theory that caffeine may enhance performance in long distance endura...
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