Biology - Fats


  • Fat is a significant foodstuff for many forms of life.

  • Fats serve structural as well as metabolic functions.

  • The fats are molecules made up of glycerol and fatty acid.

  • Fat is an organic compound of hydrogen, carbon, oxygen.

  • Based on the number and bonding of the carbon atoms, fats and oils, are categorized in the aliphatic chain.


Functions of Fats

  • Following are the major functions of Fats −

    • Fat is a vital dietary requirement.

    • The fat is usually the stored source of energy in the body that remained store beneath the skin.

    • Fat acts a protective layer especially in the human body and provide protection.

    • Some of the vitamins such as vitamin A, vitamin D, vitamin E, and vitamin K are fat-soluble, which means they can only be absorbed, digested, and transported in conjunction with the fats.

    • Fats actively help in maintaining the healthy skin and hair.

    • Fats insulate body organs against external shock.

    • Fats also maintain body temperature.

    • Fats promote healthy cell function.

Types of Fats

  • Following are the major types of Fats −

Unsaturated Fats

  • The fats that remain in the liquid form at room temperature are known as unsaturated fats.

  • Unsaturated fats are beneficial for health, as it improves blood cholesterol levels, stabilize heart beats, etc.

  • Unsaturated fats are commonly found in vegetable oils, nuts, and many seeds.

Saturated Fats

  • Saturated fats have no double bonds between the carbons found in its chain.

  • Saturated fats can easily solidify and typically found in solid form at room temperature.

  • Saturated fats are found in animals’ meat, cheese, ice cream, etc.