Fat...
Fat with 9 calories per gram
Most of Gram+ bacteria and for Gram- ones, Segnilliparus spp.
The most energy rich nutrient is fat. There are two other nutrients that produce energy for the body and they are protein and carbohydrates.
The most calorie-dense substance is pure fat, which contains 9 calories per gram.
Fat has the most calories per an ounce. There are 9 calories per a gram, so an ounce of fat has 255.06 calories.
Carbohydrate's I think.
Lipids store more energy per gram than carbohydrates or proteins.
In food, there are three macronutrients that provide energy. They are fat, carbohydrates, and protein. Fat is the nutrient that provides the greatest amount of energy at nine calories per gram. Protein and carbohydrates provide only four calories per gram.
Fat. More calories =more heat=more energy.
The forgotten nutrient and the most important is water.
No, Gram-negative organisms do not grow on Mannitol Salt Agar (MSA) plates because MSA contains high salt concentration and phenol red, which create a selective and differential medium that inhibits the growth of most Gram-negative bacteria while allowing for the growth of certain Gram-positive bacteria.
Gram for gram, fats store the most amount of energy in the body, approximately double the amount of energy carbohydrates store.