Depolarization occurs due to the diffusion of K+ across a neuron plasma membrane
Indicate whether the statement is true or false.
ANSWER: False - Na+
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The graph here shows the results of growing one strain of a crop plant on soils with different nitrogen contents. If a different strain of the same plant were grown on the same soils, you would predict that:
A. it would respond the same way to nitrogen supplementation because they are the same plant. B. it would respond completely differently to nitrogen supplementation because they are different strains. C. it could respond the same way or differently; different genotypes can, but may not always, respond differently to the same range of environments. D. it could respond the same way or differently; the environment has too many variables to predict. E. None of these choices is correct.
The photos of the Muir Glacier taken in 1941 (left) and 2004 (right) demonstrate the consequences of____
a. deforestation b. biological magnification c. acid rain d. ozone destruction e. global climate change
The primary pacemaker of the heart is the
a. bicuspid valve. b. tricuspid valve. c. aorta. d. sinoatrial node.
Which is NOT an example of a motor protein?
a. myosin b. dynein c. venosin d. kinesin