Explain how the structure of proteins enable them to form body tissues and structures 

Explain how the structure of proteins enable them to form body tissues and structures

• Fibrous proteins are used to form body tissue and structures such as muscles because they are insoluble and have high tensile strength due to coiled and cross linked polypeptide chains.
• Structural proteins such as keratin have a secondary structure in form of an extended spiral helices with cross linking disulphide bridges between neighboring chains, this provide hardness allowing keratin to be found in wool, hair and nails.

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