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vekshin1
3 years ago
5

The force driving simple diffusion is _____, while the energy source for active transport is _____.

Biology
2 answers:
konstantin123 [22]3 years ago
3 0

Answer:option A

The force driving simple diffusion is concentration gradient and the energy source for active transport is ATP.

Explanation:

Diffusion is the movement of substances from a region of high concentration to a region of low concentration in a lipid bilayer without any intermediary assistance. The driving force for simple diffusion is the concentration gradient and the energy source for active transport is Adenosine triphosphate (ATP).

Concentration gradient is when a solute is more concentrated in one area than another solute.

shusha [124]3 years ago
3 0

Answer: A) The concentration gradient; ATP

Explanation:

Simple diffusion is the net passage of substance down its concentration gradient. That is, molecules of a substance move from a region of greater concentration to one of lower concentration. This is facilitated by the difference in the concentration of the substance between two areas, thereby forming a concentration gradient. The direction and the rate of diffusion is largely dependent on the difference along the concentration gradient. A bigger difference in the concentration of a substance between two areas, the steeper the concentration gradient would be, thereby ensuring faster rate of diffusion of the molecules of the substance.

ATP (Adenosine Triphosphate), on the other hand is a stored energy needed for active transport. Active transport involves the movement of molecules of a substance up its concentration gradient, from a low area of concentration to a high area of concentration. ATP provides the energy or fuel that is necessary for moving molecules against their concentration gradient

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