Which of the following statements are true regarding bacteria in the human body? Select all correct choices
A. Human bodies can contain pathogenic
bacteria, but these are often kept in check by
other (non-pathogenic) species.
B. Human bodies can actually contain
bacteria that are beneficial to certain
processes (e.g., digestion).
C. The TB-causing bacteria M. tuberculosis
is present (but dormant) in many human
bodies.
A,B,C
You might also like to view...
The fastest way for organisms to adapt to a changing environment involves _____
A) mutation B) asexual reproduction C) sexual reproduction
Typical electron donors used by dissimilative sulfate-reducers are
A) hydrogen, water, and hyrdrogen sulfide. B) hydrogen, lactate, and pyruvate. C) carbon dioxide, hydrogen, and water. D) sulfate, sulfur, and thiosulfate.
The most productive region of a lake is the __________ zone
a. neritic b. limnetic c. profundal d. littoral e. oceanic
Describe the principles of natural selection.
What will be an ideal response?