Which one of the following is an alpha amino acid?
Correct answer: A. Glycine
- A. Glycine
- B. Serine
- C. Glutamine
- D. Lysine
Explanation
The amino acids having amino and carboxyl group attached to the same carbon, i.e, alpha-carbon atom is called alpha-amino acids.
This question appeared on the UHS MDCAT 2011 paper, which you can sit online with every answer explained.
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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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