The membrane is composed of phospholipid bilayer arranged back to back.
The plasma membrains selectively with cholesterol molecules and proteins
Answer:
Adenosine triphosphate is the first blank. Phosphate groups is the second one.
Explanation:
ATP is a chemical compund cells use to store energy. An ATP molecule consists of adenine, the sugar ribose, and three phosphate groups.
Within a protein, multiple amino acids are linked together by peptide bonds, causing them to form a long chain. its easy to remember by thinking of the amino acids hooking up like a trains cars.
