Answered

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Why is active transport necessary
for cells?
A. Diffusion is a very slow process.
B. Molecules can only enter the cell through
ports in the membrane.
C. Sometimes molecules can't get through the
cell membrane on their own.

Sagot :

Snowzium02

Answer:

B. Molecules can only enter the cell through ports in the membrane.

Explanation:

PLEASE MARK ME AS BRAINLIEST

SMART444

Answer:

B. Molecules can only enter the cell through ports in the membrane.

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