Answer: Lipids.
Explanation:
The large carbon -hydrogen bonds(C-H) in chains of lipids makes them ideal storage of energy.
T<u>he more C-H bonds breakage, the higher protons availability from Citric acid cycle NADH and FADH2 and hydrogen atom splitting (to protons and electrons) for the electron transport chains (ETC</u>), and therefore the higher proton pumps for more ATP's synthesis in the mitochondria matrix.
In addition large number of electrons surrounding carbon atom in fatty acids than other food molecule is added factor. The transfer of these electrons to oxygen during oxidation of fatty acids releases large amount of energy (9 kilo calorie) into the cells, more than other food substances
Option three should be correct
The answer is tissue fluid. Tissue fluid holds far smaller quantity of protein molecules because they are too large to escape easily over the tiny holes in the capillary endothelium. Tissue fluid doesn't contain red blood cells because they are too large, but does comprise some white blood cells.
