Can you me answer this sheet? if i do not get it done i will fail my living environment class.

Analyze the central conflict and its in a story to discover the theme. o resolution o protagonist antagonist character

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

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.