Most forms of energy can be classified as either . potential or mechanical

kinetic or mechanical

potential or kinetic

chemical or physical

chemical or kinetic

Four types of motile cells in human body?

What is the name for a substance formed in a chemical reaction

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.