The three parts of an amino acid are the amino group, the carboxyl group, and the ? ?

Where substance is produced during cellular respiration

You see a white marker with an orange circle and black lettering. what does this marker tell you

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.