Biology Biotechnology PMDC Conceptual Practice
PMDC Verified Question 35 of 65
Subunit vaccines are produced via biotechnology by cloning the gene for:
A
Host antibody
B
Patient receptor
C
Viral lipid
D
Pathogen antigen
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option D: Pathogen antigen
Concept:

Recombinant subunit vaccine construction.

Solution:

Subunit vaccines are created by cloning the specific gene encoding a surface immunogenic protein (pathogen antigen) into expression vectors to mass-produce pure antigens.

Why other options are incorrect:

  • Host antibody: Used in passive immunization therapies, not active subunit vaccines.


  • Patient receptor: Human cell receptors do not elicit protective neutralizing antibodies against pathogens.


  • Viral lipid: Membrane lipids are non-specific host-derived structures not directly encoded by single cloned genes.

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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