What is the primary source of energy in a food chain 1.oxygen 2.sun 3. carbon dioxide 4.water

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

How is the carbon cycle related to global warming ?

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.