HUMAN NUTRITION

Detailed explanation-1: -Carbohydrates. Carbohydrates are the first class of organic molecules. Lipids. Lipids belong to the second class of organic molecules which includes oils and fats. Proteins. Proteins are long chains of components known as amino acids consisting of layered structures. Nucleic Acid.

Detailed explanation-2: -There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids), and each is an important component of the cell and performs a wide array of functions. Combined, these molecules make up the majority of a cell’s mass.

Detailed explanation-3: -The four main organic compounds that make up living things are carbohydrates, lipids, nucleic acids, and . Lipids are one of four classes of biochemical compounds, which are compounds that make up living things and carry out life processes.