1. In Figure 1, add the amino group, carboxyl group, and hydrogen atom to each amino acid. Circle the R-group in each amino acid. KU CH3 (a) Alanine Figure 1 SH CH₂ ů (b) Cysteine CH₂ (c) Aspartic acid
Essential nutrients
These are the organic compounds present in the food that provide nourishment essential for the development and growth of our body. Nutrients not only provide us with the required energy to carry out various biological processes but are also the building blocks for repair and growth in our bodies.
Vitamins
The vitamins are organic molecules required in low concentration for the proper functioning of the body. They cannot be generated in the organism and are taken into the body through the diet. The lack of proper vitamins results in diverse deficiency disorders. They are thus called essential nutrients. The important vitamins are vitamin A, vitamin B complex, vitamin C, vitamin D, vitamin K, and vitamin E.
The structural unit of proteins that is made up of carbon, hydrogen, Oxygen and nitrogen are called amino acid. Chemically amino acids are carboxylic acids containing at least 1 amino group.
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