Vaccinia virus is often used in the technique to make

A. antibodies to toxin.
B. an adjuvant.
C. gamma globulin.
D. a "Trojan horse" recombinant vaccine.
E. a booster.


Answer: D

Biology & Microbiology

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When phosphorus is abundant in soils, it may by unavailable to plants because _____.

_____ the phosphorus is bound to nitrogen. _____ the phosphorus is unlimited. _____ the phosphorus is bound to clay. _____ the phosphorus is in a form that is not taken up by plants.

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The mutated gene that causes cystic fibrosis is

a. CFTR b. CRFT c. CTFR d. CRTF e. CFRT

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A media is designed that allows only staphylococci to grow. In addition, S. aureus colonies have a yellow halo around them and other staphylococci appear white. This type of media is

A. both selective and differential. B. enriched. C. differential only. D. a reducing media. E. selective only.

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