Use newtons universl law of gravitation to explain why gravity is greater on venus than on mars

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

Dna replication or repair occurs in a cell in all of thw following situations except when

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.