STD 12 - 8. microbes in human welfare — BIOLOGY STD 12 Science — Question

$(a)$ Pro-hormone insulin contain extra stretch of C-peptide

$(b)$ A-peptide and B-peptide chains of insulin were produced separately in E.coli, extracted and combined by creating disulphide bond between them.

$(c)$ Insulin used for treating Diabetes was extracted from Cattles and Pigs.

$(d)$ Pro-hormone Insulin needs to be processed for converting into a mature and functional hormone.

$(e)$ Some patients develop allergic reactions to the foreign insulin.

Choose the most appropriate answer from the options given below:

$R$ - When fragments generated by restrictionendoncleases are mixed, they join togetherdue to their sticky ends.