Disease-causing exotoxins are produced by all of the following organisms EXCEPT

A) Clostridium perfringens.
B) Vibrio cholerae.
C) Shigella dysenteriae.
D) Staphylococcus aureus.
E) Clostridium botulinum.


C

Biology & Microbiology

You might also like to view...

Scientists determined that African elephants are the closest living relatives of the woolly mammoth based on fossil

evidence, because DNA cannot yet be extracted from fossils of extinct species.

a. True b. False

Biology & Microbiology

Which of the following syndromes has a karyotype with a missing X chromosome?

A. Jacobs syndrome B. Turner syndrome C. Williams syndrome D. Klinefelter syndrome E. Down syndrome

Biology & Microbiology

A drug that can create polyploids is known as ________

A) growth hormone B) astaxanthin C) colchicine D) arrestin E) carrageenan

Biology & Microbiology

Which of the following is not an example of an abiotic factor?

A) Temperature B) Energy C) Bacteria D) Nutrients

Biology & Microbiology