How many of the following statements are corr | vedclass

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(B) Statement $(i)$ is incorrect because mature insulin consists only of chain $A$ and chain $B$. The $C$-peptide is removed during maturation.Stateme

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$2$

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(B) Statement $(i)$ is incorrect because mature insulin consists only of chain $A$ and chain $B$. The $C$-peptide is removed during maturation.Statement $(ii)$ is correct. Proinsulin contains an extra stretch called the $C$-peptide,which is removed during the maturation process to form mature insulin.Statement $(iii)$ is incorrect. Mature insulin does not contain the $C$-peptide.Statement $(iv)$ is correct. The two polypeptide chains,$A$ and $B$,are linked together by disulphide bridges.Therefore,only statements $(ii)$ and $(iv)$ are correct. The total number of correct statements is $2$.

How many of the following statements are correct?
$(i)$ Mature insulin is made up of $A, B$ and $C$ peptides.
$(ii)$ Removal of $C$-peptide helps in the maturation of insulin.
$(iii)$ In mature insulin,$C$-peptide is present.
$(iv)$ In insulin,chains $A$ and $B$ are linked by disulphide bonds.

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How many of the following statements are correct?$(i)$ Mature insulin is made up of $A, B$ and $C$ peptides.$(ii)$ Removal of $C$-peptide helps in the maturation of insulin.$(iii)$ In mature insulin,$C$-peptide is present.$(iv)$ In insulin,chains $A$ and $B$ are linked by disulphide bonds.