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 $2$.

Column-$I$	Column-$II$
$(A)$ Gene therapy	$(1)$ Effort to fix a functional gene
$(B)$ Humulin	$(2)$ $A$ single-stranded $DNA$ or $RNA$ tagged with a radioactive molecule
$(C)$ Probe	$(3)$ Diagnostic test
$(D)$ $ELISA$	$(4)$ Diabetes

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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In $1990$,which therapy was given to a four-year-old girl suffering from adenosine deaminase $(ADA)$ deficiency?

Match the following columns.

Column-$I$ Column-$II$

$(A)$ Gene therapy $(1)$ Effort to fix a functional gene

$(B)$ Humulin $(2)$ $A$ single-stranded $DNA$ or $RNA$ tagged with a radioactive molecule

$(C)$ Probe $(3)$ Diagnostic test

$(D)$ $ELISA$ $(4)$ Diabetes

Which human medicine was the first to be produced using recombinant $DNA$ technology?

Who was the first patient who was given gene therapy? Why was the given treatment recurrent in nature?

The first clinical gene therapy was given for treating

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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.