Question

Question #79ccf

Answer 1

Proteins are made of amino acids, which are made of four elements Hydrogen, Carbon, Oxygen and Nitrogen.

Explanation:

Water is a source of both Hydrogen and Oxygen. Carbon comes from the Carbon cycle and Carbon Dioxide in the atmosphere.
Nitrogen comes from the atmosphere through the action of bacteria in the Nitrogen cycle. All four of these elements are essential to life.

Answer 2

Basic element of Protein is amino acid

Explanation:

Proteins are made up of amino acids, which are composed of four elements Carbon, Oxygen, Sulfur, hydrogen and nitrogen.

We get all these elements from from our diet.