What does your body get by breaking covalent bonds and making new ones ?

Which of the following are energy solutions that release pollution into the air>

Which organelle breaks down sugar molecules that supply energy to the cell ?

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.