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Biology Biotechnology and Its Application Image Based Problems Single Correct MCQ
Published on: August 14, 2026

Following figures show the different steps involved in production of genetically engineered insulin. Identify the enzymes involved in steps A, B and C and select the correct statement(s) regarding this.

A
Enzymes involved in steps A and B are same, i.e., restriction exonucleases and
B
Enzymes involved in steps B and C are same, i.e., restriction endonucleases
C
Enzymes involved in step C is DNA ligases
D
Both

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The correct answer is:
B

DNA ligase facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond.

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