Your large intestine is filled with bacteria that do you no harm. Therefore, they are referred to as _____________ bacteria. 

A. pathogenic
B. mutualistic
C. commensal
D. parasitic
 


C. commensal

Biology & Microbiology

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Specifically, female sex organs are known as

a. oogonia. b. gametangia. c. antheridia. d. zygotes.

Biology & Microbiology

Fungi may be differentiated from plants because fungi are:a

photosynthetic. b. all macroscopic. c. all multicellular. d. heterotrophic. e. all prokaryotic

Biology & Microbiology

Meiosis typically results in the production of

A) four diploid cells. B) two diploid cells. C) four haploid cells. D) two haploid cells. E) one triploid cell.

Biology & Microbiology

What do tabun, sarin, soman, and V agent all have in common?

A) They all enter the body through the respiratory tract. B) The onset of symptoms following exposure is immediate. C) They are all colorless and odorless chemical nerve agents. D) They all possess the same level of volatility and persistence.

Biology & Microbiology