Toxoids

A. are always genetically engineered.
B. contain modified bacterial exotoxin molecules.
C. confer passive immunity.
D. contain select antigenic components of a pathogen rather than whole cells or viruses.
E. All of these choices are correct.


Answer: B

Biology & Microbiology

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What will be an ideal response?

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In experiments by Greene and colleagues (1987 ) with the tephritid fly Zonosemata vittigera and the jumping spider Phidippus apacheanus, the purpose for gluing housefly wings onto the bodies of the tephritid fly was to ________

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The salt marsh system is dominated by

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Which of the following have sensory structures that are structurally similar?

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