3. which bond is broken when energy is released? 4. when energy is added, which bond is formed? 5. in steps 8 and 9, you imagined that energy was added to the molecule. what processes would occur in the cell to add this energy?

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.