Exotoxins, produced by Gram-negative bacteria, are highly antigenic and can be inactivated to form toxoids and used as vaccines.
a. true
b. false
Ans: a. true
Biology & Microbiology
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Alcohols are more effective at inactivating enveloped viruses than naked viruses.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Which Kingdom of organisms is most noted for its ability to carry out photosynthesis?
A. Animilia B. Protista C. Fungi D. Plantae E. Bacteria
Biology & Microbiology
. The main forms of nitrogen taken up by plant roots and useful to plants is:
A. N-N B. nitrite C. nitrite and nitrate D. ammonia and N-N E. nitrate and ammonia
Biology & Microbiology
What ecosystem services do wetlands perform?
What will be an ideal response?
Biology & Microbiology