Biology Biotechnology SZABMU 2025
PMDC Verified Question 64 of 65
____ is used in the production of Humulin.
A
Fungi
B
Protozoa
C
Bacteria
D
Virus
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Bacteria
Concept:

Bacterial expression systems for human recombinant hormone synthesis.

Solution:

Transgenic bacteria, specifically modified strains of Escherichia coli, are cultured in large-scale bioreactors to manufacture commercial recombinant human insulin (Humulin).

Why other options are incorrect:

  • Fungi: Yeast like Saccharomyces cerevisiae can express proteins, but E. coli bacteria were the primary organism used for classical Humulin synthesis.


  • Protozoa: Single-celled eukaryotic protozoans are not utilized as industrial host expression systems for Humulin mass production.


  • Virus: Viruses act as acellular gene delivery vectors; they cannot metabolize or express extracellular recombinant proteins independently.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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