Proteins: Structure, Functions, and Properties

Posted by on Jan 6, 2025 in Human Nutrition and Dietetics | 0 comments

Proteins: Essential Biomolecules in Cells

Structure and Composition

Proteins are organic molecules and the most abundant in cells, making up 50% of their dry weight. They are distributed throughout the cell and are fundamental structurally and functionally. Chemically, they are formed by Carbon (C), Oxygen (O), Hydrogen (H), and Nitrogen (N). Proteins are polymers formed by the union of amino acids through peptide bonds.

Classification of Proteins

Proteins can be classified into two main categories:

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