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Which of the following statements is/are correct ? I. The proi
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Which of the following statements is/are correct ?
I. The proinsulin has an extra peptide called C-peptide.
II. The functional insulin has A and B chains linked together by hydrogen bonds.
III. Genetically engineered insulin is produced in E. coli.
IV. In man, insulin is synthesised as a proinsulin.

A
I and II

B
I and III

C
III and IV

D
I, III and IV

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Which of the following statements is/are correct ?
I. The proinsulin has an extra peptide called C-peptide.
II. The functional insulin has A and B chains linked together by hydrogen bonds.
III. Genetically engineered insulin is produced in E. coli.
IV. In man, insulin is synthesised as a proinsulin.
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Text SolutionText solutionverified iconVerified

Statements I, III and IV are correct, while statement II is incorrect. Incorrect statement can be corrected as
Insulin is composed of two peptide chains referred to as the A chain and B chain. A and B chains are linked together by two disulphide bonds.
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Question Text
Which of the following statements is/are correct ?
I. The proinsulin has an extra peptide called C-peptide.
II. The functional insulin has A and B chains linked together by hydrogen bonds.
III. Genetically engineered insulin is produced in E. coli.
IV. In man, insulin is synthesised as a proinsulin.
TopicBiotechnology and its Applications
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes58