Which motion of particles across a membrane requires enegry?
a. from high concentration to low concentration
b. from low concentration to high concentration
c. with no concentration gradient
d. through dynamic equilibrium
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Ответ:
Diffusion is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. You are familiar with diffusion of substances through the air.
Explanation:
Ответ:
= (7p - 2q)(7p - 2q) < answer
or we can write it as (7p - 2q)^2