Proteins, Carbohydrates and Lipids

Paper Summary:

This paper gives an introduction to the chemical substances of life: proteins, carbohydrates and lipids. It describes how proteins are formed, their primary, secondary, tertiary, and quaternary structure, and gives examples of protein use in the human body. The paper also describes mono- and poly-saccharides, their structure, reactions, and functions in the human body. Lastly it describes lipids and fatty acids and their functions in the human body.

From the Paper:

"Proteins contain the elements carbon, hydrogen, oxygen and nitrogen and some may also contain sulfur. The building blocks of proteins are amino acids. There are twenty essential amino acids found in cells and some proteins contain special amino acids which are derived from the essential twenty by a change in their constituents. They contain an amino group at one end (NH) and a hydroxyl group at the other (OH) and in between there is a carbon atom with one hydrogen and.

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