Macromolecules in foods that contain calories include carbohydrates, proteins, and fats. Carbohydrates provide 4 calories per gram, proteins also offer 4 calories per gram, and fats deliver 9 calories per gram. These macromolecules are essential sources of energy for the body. While nucleic acids, another type of macromolecule, exist in foods, they contribute negligible calories.
of the choices: proteins starches nucleotides lipids nucleotides are not macromolecules
A calcium supplement will not usually contain calories. Getting calcium from something like milk or cheese will have calories, though.
"Biomolecules" is not a recognized term in biochemistry, rather a term such as organic molecules or macromolecules would be more appropriate. The simple answer is all foods have complex organic macromolecules such as lipids (fat), carbohydrates/sugars and protein in varying quantities and types.
Foods contain proteins, carbohydrates and lipids which are three different types of macromolecules. However, there are far more than three types of macromolecules, some of which are also found in food.
Carbohydrates
of the choices: proteins starches nucleotides lipids nucleotides are not macromolecules
Steak
A calcium supplement will not usually contain calories. Getting calcium from something like milk or cheese will have calories, though.
All foods contain nutrition, but the type of nutrients depends on the type of food, for example meats contain proteins.
Calories are a measure of heat energy. Eating foods that contain calories allows your body to expend energy and to maintain body temperature. Excess calories are stored as fat.
Energy in all foods comes from calories, which are in starches, fats and proteins. Peanuts contain a high percentage of fat, which is the source of most of their calories, or energy.
They are called "empty" calories because they contain little to no nutritional value at all.
Citric acid itself does not contain calories as it is a flavoring agent and preservative commonly found in foods and beverages.
There are very few foods that have no nutrients whatsoever, but still have calories. More foods would fall into the range that they contain calories, but very little nutrients. These are known as "empty calories", meaning that they really do not help for the body. Some examples of these would be fried foods, refined sugars / starches, bleanced flours, and high-fat foods (like butter and lard).
Foods that contain empty calories provide a high number of calories without essential nutrients like vitamins, minerals, and fiber. Examples include sugary snacks, soft drinks, and fast food. These foods can contribute to weight gain and may lead to deficiencies in nutrition, ultimately affecting overall health. Consuming them in moderation is important to maintain a balanced diet.
Foods that do not follow nutrient density and contain less nutrients that calories. Ex. chocolate ice cream cookies cake
"Biomolecules" is not a recognized term in biochemistry, rather a term such as organic molecules or macromolecules would be more appropriate. The simple answer is all foods have complex organic macromolecules such as lipids (fat), carbohydrates/sugars and protein in varying quantities and types.