α-amino acids are compounds having carboxylic acid as well as amino functional groups attached to:
Correct answer: B. Same carbon atom
- A. Any H-atom in the molecule
- B. Same carbon atom
- C. Alternate carbon atoms
- D. Neighboring carbon atoms
Explanation
α-Amino acids are simple molecules that are made of a central C-atom, that is bound to a primary amine group NH2 and to a carboxylic group COOH.
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About Classification of Proteins
Proteins are classified by composition as simple, conjugated and derived proteins, and by shape as fibrous or globular proteins. The topic relates these classes to examples such as albumin, keratin, collagen, haemoglobin and casein, while distinguishing structural proteins from proteins with transport, catalytic or regulatory roles.
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