If the intesnsity of light being deceted by light it will make the eye close . this is an example of a behavioral response that needs what

Describe the function of the endomembrane system? what organelles are involved?

How does the carbon cycle involve an exchange of carbon

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.