A group of the same cells working together make up tissues. Two or more tissues working together make up the of organization. Options:
-tissue level
-organ level
- organ system level

What drives an advertising campaign?

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.

Below are the three main organs that make up the plant body.