Based on the physico-chemical properties, proteins may be classified into the following types:
Correct answer: D. All of the above
- A. Simple proteins
- B. Compound proteins
- C. Derived proteins
- D. All of the above
Explanation
Proteins are classified based on their composition and chemical properties. Simple proteins consist only of amino acids, compound proteins contain additional groups, and derived proteins are formed by chemical modification of other proteins. Hence, all three types represent the physico-chemical classification of proteins.
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About Macromolecules
Proteins are classified by shape, composition and structure, from primary amino acid sequence to secondary, tertiary and quaternary organisation, and their biological roles are linked to this structure. Enzymes are examined as protein biocatalysts, including active sites, substrate specificity, activation energy, cofactors and factors affecting activity.
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