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Question
Which of the following is NOT an example of fibrous protein ?
Which of the following is NOT an example of fibrous protein ?
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Solution
The correct option is D Albumin
Fibrous protein:
When the polypeptide chains run parallel and are held together by hydrogen and disulphide bonds, then fibre-like structure is formed. Such proteins are generally insoluble in water. Some common examples are keratin (present in hair, wool, silk) and myosin (present in muscles), collagen etc.
Globular proteins are highly branched proteins usually soluble in water. This structure results when the chains of polypeptides coil around to give a spherical shape. Insulin and albumin are the common examples of globular proteins.
Hence, option (a) is correct.
Fibrous protein:
When the polypeptide chains run parallel and are held together by hydrogen and disulphide bonds, then fibre-like structure is formed. Such proteins are generally insoluble in water. Some common examples are keratin (present in hair, wool, silk) and myosin (present in muscles), collagen etc.
Globular proteins are highly branched proteins usually soluble in water. This structure results when the chains of polypeptides coil around to give a spherical shape. Insulin and albumin are the common examples of globular proteins.
Hence, option (a) is correct.
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