Hi
i will mark you as brainliest
reply to my questions
1) what happens if it doesn’t rain for a long period of time?
2) list some uses of water for commercial purposes
remember, i will mark you as

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.