Gina's science teacher tells her that mass and weight are related, but have an important difference due to gravity. gina's teacher says that jupiter has a much greater gravitational force than earth, while the moon has a much smaller force. how would gina's weight and mass change on these surfaces?

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.