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

You might also like to view...

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