The body does not receive the same amount of energy from 1 gram of fat as it does from 1 gram of iron.
Fats are macromolecules found in food which contains a high proportion of carbon and hydrogen but a little oxygen. Its functions include the following:
- provides energy to the body when broken down. 1 gram of fat yields up to 37.6kj of energy.
- They are solvents for fat-soluble vitamins and hormones.
- They make up the fat layers of the skin of mammals which act as insulators.
Mineral salts such as Iron regulates the metabolism of the body. it is not an energy giving food component.
Iron makes up the structural and functional component of haemoglobin in the red blood cells.. They are needed in small amounts of about 10mg per day.
Since Iron is not energy giving component from food, the body does not receive the same amount of energy from 1 gram of fat as it does from 1 gram of iron.
Learn more here:
https://brainly.com/question/18949015
