Question 3 (1 point) Diffusion is the movement of particles
a
b
from low to high concentration
from high to low concentration
from equilibrium to areas of high concentration
All of the above
C
d

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coconut why: has water in it : )

what are the options

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.