Question

The two polypeptides of human insulin are linked together by which bond?

Answer 1

polypeptide chains of insulin are linked by di-sulphide linkages.
-In functional hormone 3 di-sulphide bonds are present


Refer to the Image attached.(image REFERENCE-NCERT 12TH BIOLOGY Page no-211)

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Answer 2

$\huge\bold\purple{♡\:}{\orange{\underline{\red{\mathbf{ANSWER}}}}}\bold\purple{\:♡}$

• ✴..The two polypeptides of human insulin are linked together by $\purple{\tt{disulphide}}$$\orange{\tt{bridges}}$