Question

The carbohydrates are made of carbon, hydrogen and oxygen. But proteins are made of carbon , Hydrogen , oxygen and ………………………….and are called ……………. substance .

Answer 1

Explanation:

Proteins, carbohydrates and lipids are made from three basic molecules: carbon, hydrogen and oxygen. However, all proteins contain an element not found in carbohydrates and lipids is nitrogen. Nitrogen which is present in all amino acids (the building blocks that make up the protein chains).