Biochemistry 4th Edition by Reginald Garrett, Charles Grisham

Exercise 18

Which statement is most likely to be true concerning obligate anaerobes
a. These organisms can use oxygen if it is present in their environment.
b. These organisms cannot use oxygen as their final electron acceptor.
c. These organisms carry out fermentation for at least 50% of their ATP production.
d. Most of these organisms are vegetative fungi.