Simple diffusion and facilitated diffusion share which of the following characteristicsSelect one:a. Transport solute against concentration gradientb. Do not require adenosine triphosphate (ATP)c. Require transport proteind. Saturation kineticse. Can be blocked by specific inhibitorsClear my choice
Question
Simple diffusion and facilitated diffusion share which of the following characteristicsSelect one:a. Transport solute against concentration gradientb. Do not require adenosine triphosphate (ATP)c. Require transport proteind. Saturation kineticse. Can be blocked by specific inhibitorsClear my choice
Solution
The characteristics shared by simple diffusion and facilitated diffusion are:
b. Do not require adenosine triphosphate (ATP) d. Saturation kinetics
Explanation:
a. Transport solute against concentration gradient - This is not a shared characteristic. Both simple and facilitated diffusion move substances down their concentration gradient, not against it.
b. Do not require adenosine triphosphate (ATP) - This is a shared characteristic. Both simple and facilitated diffusion are passive processes that do not require energy in the form of ATP.
c. Require transport protein - This is not a shared characteristic. Simple diffusion does not require transport proteins, while facilitated diffusion does.
d. Saturation kinetics - This is a shared characteristic. Both simple and facilitated diffusion can reach a point of saturation where all carriers are occupied and the rate of diffusion cannot increase.
e. Can be blocked by specific inhibitors - This is not a shared characteristic. Simple diffusion cannot be blocked by inhibitors, while facilitated diffusion can be blocked by specific inhibitors.
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