Which level of organization is shown in the image? .
ocell
O tissue
organ
organ system

What maintain homeostasis when a persons internal body temperature is 97.5°f

What element is able to combine with itself and hydrogen to form large molecules ?

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.