(PLZ HELP!!)
Describe how the Earth's atmosphere has changed over the past 4600 million years.​

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.

Ecology can best be described as the study of what

Modern computers can store about as much information as the human brain. true false its false i took the test