Chlamydia is a sexually transmitted disease that is caused by a bacterium called Chlamydia trachomatis.

Question

Which of these are characteristics of the infectious agent that causes chlamydia?

a
Nonliving particle that replicates only inside of other organisms
b
Unicellular organism that contains DNA
c
Non-living particle that contains DNA
d
Unicellular organism that replicates only inside of other organisms

Answer 1

The correct characteristic of the infectious agent that causes chlamydia (Chlamydia trachomatis) is:

d. Unicellular organism that replicates only inside of other organisms.

Chlamydia trachomatis is a bacterium, which is a unicellular organism, and it is an intracellular pathogen, meaning it replicates inside the cells of the host organism.