Glycine is the name of an amino acid because___________________?
Correct answer: A. Sweet taste
- A. Sweet taste
- B. Bitter taste
- C. Shining appearance
- D. Green colour
Explanation
The name glycine comes from the Greek word glykys, meaning sweet, because glycine has a sweet taste. The name is therefore based on taste, not on colour, shine or bitterness. Students may choose bitter taste by generalising from some amino acids, but glycine is specifically known for its sweetness.
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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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