Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Biotechnology and its Applications

Question:
Which of the following is produced commercially using genetically engineered bacteria?
Options:
Progestogens
Testosterone
Penicillin
Human insulin .
Correct Answer:
Human insulin .
Explanation:
In 1983, Eli Lilly an American company prepared two DNA sequences corresponding to A and B, chains of human insulin and introduced them in plasmids of E. coli to produce insulin chains. Chains A and B were produced separately, extracted and combined by creating disulfide bonds to form human insulin.