Intestinal gas is evidence of active ________ in some animals' digestive tracts

A) thermophiles
B) methanogens
C) yeast cultures
D) halophiles


Answer: B

Biology & Microbiology

You might also like to view...

Which of the following is NOT correct

concerning a tubal pregnancy?

a. they can be caused by endometriosis b. they can threaten the life of the mother c. they can be caused by STDs d. fetuses that come to term must be delivered by Caesarian section e. all of these are true concerning a tubal pregnancy

Biology & Microbiology

The dinosaurs are thought to have gone extinct due to an asteroid strike. How would this impact on population growth

be described? What will be an ideal response?

Biology & Microbiology

Radiation from natural sources (as opposed to sources resulting from human activity) is called

____________________ radiation. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

An elderly patient with no recent hospitalizations presents with shortness of breath, chest pain, a deep productive cough, and evidence of consolidation. Acid-fast and Gram stains are performed on a sputum sample. No acid-fast bacteria are detected but

Gram-negative, non-encapsulated bacteria are observed. A likely diagnosis is A) Legionnaire's disease. B) Streptococcus pneumoniae. C) influenza. D) nontypable Hemophilus influenzae B. E) Mycobacterium avium.

Biology & Microbiology