Results of a brief literature

In a paragraph, summarize your results of a brief literature search determining how human insulin, with its two chains A
& B, is made in E. coli. Critically: issues are how two chains are made when the pancreas removes chain C and how are
disulfide bonds formed in a bacterium which normally does not make disulfide bonds intracellularly. Note: 50% credit
lost if literature not cited as follows: