3
Question
After removal of signal peptide, the secretory protein involved in formation of insulin is known as
After removal of signal peptide, the secretory protein involved in formation of insulin is known as
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Solution
The correct option is B Proinsulin
The insulin mRNA is translated as a single chain precursor called preproinsulin, and removal of its signal peptide during insertion into the endoplasmic reticulum generates proinsulin. Insulin and free C peptide are packaged in the Golgi into secretory granules which accumulate in the cytoplasm.So, the correct answer is 'Proinsulin.'
The insulin mRNA is translated as a single chain precursor called preproinsulin, and removal of its signal peptide during insertion into the endoplasmic reticulum generates proinsulin. Insulin and free C peptide are packaged in the Golgi into secretory granules which accumulate in the cytoplasm.
So, the correct answer is 'Proinsulin.'
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