Polyvalent vaccines using vaccinia virus are highly favored by doctors and physicians but are especially challenging for those who develop them, because

A) coat proteins form a relatively rigid structure and do not allow much space for additional proteins to be expressed.
B) multiple foreign proteins simultaneously synthesized often disrupts each other's activity.
C) vaccinia and most other viruses engineered for vaccines contain only one restriction site for cloning in their genome.
D) virus genetic manipulation uses transfection, which is an inherently inefficient process.


Answer: B

Biology & Microbiology

You might also like to view...

Refer to the accompanying figure. Which cell type or types are primarily responsible for the release of histamine in

injured tissues and in allergic responses? a. A only b. B only c. C only d. D only e. A and cell type D

Biology & Microbiology

Peat bogs occur in flooded areas because the rate of decomposition of ________ is slower under anaerobic conditions.

A. lignin B. protein C. lipids D. starch

Biology & Microbiology

Which of the following is not considered a mode of action by antimicrobial agents?

A) Inhibition of protein synthesis. B) Inhibition of cell wall synthesis. C) Inhibition of membrane permeability. D) Disruption of selective toxicity.

Biology & Microbiology

Why is treatment with antimicrobial drugsĀ notĀ encouraged in patients with diarrhea caused by enteric bacteria?

What will be an ideal response?

Biology & Microbiology