Answer :
Answer:
Ions, sugars, amino acids, and sometimes water
Explanation:
Those substances are unable to diffuse across the membrane, so they use an ATP-powered ion pump, channels, and transporters to be transported across the membrane.
Answer:
Ions, sugars, amino acids, and sometimes water
Explanation:
Those substances are unable to diffuse across the membrane, so they use an ATP-powered ion pump, channels, and transporters to be transported across the membrane.