Biology, 16.04.2021 20:20 isabellemaine
According to the random walk model of diffusion, solute molecules move and thereby diffuse because of collisions with water molecules. Typical concentration of potassium inside the cell is 150 mM. If a cell diameter is 10 μm, estimate:
a. The number of potassium ions in cell cytoplasm
b. The number of water molecules in cell cytoplasm.
Answers: 3
Biology, 22.06.2019 03:50
How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided
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Biology, 22.06.2019 10:00
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
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Biology, 22.06.2019 10:00
With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.
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According to the random walk model of diffusion, solute molecules move and thereby diffuse because o...
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