Metabolism is a measure of the hydrogen ion concentration in a solution the energy required to start a chemical reaction all of the chemical reactions in an organism required to sustain life a chemical reaction in which the substrates trade constituent parts

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier