B and C ANSWER...
B) they are only present on the endoplasmic leaflet of the cell
C) they are only present on the cytosolic leaflet of the cell
Answer:
Energy transferred during a chemical reaction. ... In an exothermic reaction, the potential energy of the system goes down, and heat is given out. In an endothermic reaction, the potential energy of the system goes up, and heat is taken in.
Explanation:
I believe it should be lipids