Question

multiple choice question if a culture contains two or more microbial species that can be identified and easily differentiated, it is called a ______ culture. options: pure, differential, contaminated, mixed.

Explanation:

• A pure culture contains only one microbial species.
• A differential culture is used to distinguish between different microbes based on certain characteristics, not defined by containing multiple identifiable species.
• A contaminated culture has unwanted microbes, not necessarily identifiable and differentiated ones.
• A mixed culture contains two or more microbial species that can be identified and differentiated.

Answer:

D. mixed