Concept explainers
Interpretation:
The secondary structure of the collagen protein needs to be explained.
Concept introduction:
The complex level of protein structure is termed as a secondary structure. The coiled and folded structures are are formed by polypeptide interactions between the amino acids. In the secondary structure of proteins,the sheets are formed its coiled shape. Two different sheets formed the secondary structure of proteins.
Answer to Problem 14A
Collagen is a structural protein, the collagen helix has a unique secondary structure. Three helical strands twisted around each other and form collagen.
Explanation of Solution
The collagen protein is insoluble and stress-bearing connective tissue.
Single collagen is consists of three polypeptides chains. In this polypeptide chains are linked together with the help of hydrogen bonding.
Collagen is an important constituent of connective tissue, a triple helix assembles to form collagen. The triple helix has higher tensile strength.
Chapter 21 Solutions
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