NEET Biology question

A long protein chain is folded upon itself like a hollow woollen ball, giving rise to a three-dimensional view of the protein. This structure is called

(A)Secondary structure, stabilised only by hydrogen bonds
(B)Primary structure, giving positional information of amino acids
(C)Tertiary structure, which is absolutely necessary for the many biological activities of proteinsCorrect
(D)Quaternary structure, formed by an assembly of more than one polypeptide subunit

Answer: (C)

Solution

When a long polypeptide chain is folded upon itself like a hollow woollen ball, it gives rise to the tertiary structure (a

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Question ID VK-112590