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Question
Which of the following is a fibrous protein?
Which of the following is a fibrous protein?
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Solution
The correct option is C Keratin
When the chains of polypeptides coil around to give a spherical shape, it is known as globular protein. This is usually soluble in water. Example of globular proteins are haemoglobin, albumin and insulin. A fibre like structure formed when polypeptide chains run parallel and are held together by hydrogen and disulphide bonds is known as fibrous protein. These proteins are usually insoluble in water. Examples are keratin and myosin.
The protein present in the hair is Keratin.
Hence, the correct answer is option (c).
When the chains of polypeptides coil around to give a spherical shape, it is known as globular protein. This is usually soluble in water. Example of globular proteins are haemoglobin, albumin and insulin. A fibre like structure formed when polypeptide chains run parallel and are held together by hydrogen and disulphide bonds is known as fibrous protein. These proteins are usually insoluble in water. Examples are keratin and myosin.
The protein present in the hair is Keratin.
Hence, the correct answer is option (c).
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