Answer is D.Because phospholipids form the basic structure of a cell membrane
Commensalism :)
in case when bacteria and human, both are benifited.
Answer: B. Speed up the chemical reaction
Explanation: Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.
a crystal has a regularly repeating arrangement of atoms
