Which statement best describes binomial nomenclature? A system where each organism was given a unique two part scientific name
B the classification of organisms with shared characteristics
C a system designed to show evolutionary relationships
D a list of traits shared with descendants of a common ancestor

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.