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jj88888nb jj88888nb
wrote...
Posts: 291
Rep: 1 0
6 years ago
Cells move polar molecules across the cell membrane against a concentration gradient using
A) energy and transport proteins.
B) simple diffusion.
C) modifications to membrane lipids.
D) random molecular movement.
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Answer verified by a subject expert
tjcolliertjcollier
wrote...
Posts: 198
6 years ago
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jj88888nb Author
wrote...
6 years ago
Going to mark this solved!
wrote...
6 years ago
Perfect
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