Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Lipids are the fats that circulate in blood.
Fats that circulate in the blood may contain other molecules. .
Fatty acids that circulate in the blood may contain other what?
Options:
(1) organs
(2) Acids
(3) Energy
(4) Energy.
(5) molecules
(6) hydrocarbons
(7) cell walls
(8) waters