Alicia would like to determine the effect of epinephrine on a fish's heart rate. alicia designs the following experiment: select a fish for the experiment. measure the fish's heart rate. inject the fish with epinephrine. measure the fish's heart rate again. record the results. in looking at alicia's experiment, what is wrong? a. she should have tested the effect of other hormones as well. b. she shouldn't have measured the fish's heart rate twice. c. she didn't determine what a fish's normal heart rate is. d. she didn't use a second fish as a control.
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Biology, 21.06.2019 17:00
Trilobal fibers were found on kidnapping victim. which of the following fibers would most likely to be trilobat? a. cotton b. nylon c. wool d. silk me
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The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change
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Biology, 22.06.2019 04:00
Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.
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Alicia would like to determine the effect of epinephrine on a fish's heart rate. alicia designs the...
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