Which of the following is a sexually transmitted infection caused by the bacterium Chlamydia trachomatis?

A prokaryotic, one-celled organism that ranges in size from 0.5 µm to 50 µm is usually classified as which of the following?

a. Virus c. Bacterium b. Protozoan d. Retrovirus

Which of the following organizations has developed policies concerning biotechnology, and provides information on dietary supplements?

TJC EDA OSHA FDA