Vocational English

3. A population of cells or multicellular organisms growing in the absence of other species or types.
4. To examine the phenomenon exactly in place where it occurs.
6. Is a substance that kills bacteria
8. The virus particle and the virus nucleic acid surrounded by protein coat.
9. Group of individual tests used in microbiology lab testing to identify an organism in the coliform group.
10. Microorganisms which are similar to bacteria but different in molecular organization
12. An old process for sterilizing food.
14. A microorganism, especially an archaean, that lives in conditions of extreme temperature, acidity, alkalinity, or chemical concentration.
15. A simple and speedy device to measure the acidity and alkalinity of a fluid.

1. Is a common piece of laboratory aquipment that produces a single open gas flame , which is used for heating ,sterilization and, combustion.
2. To reduce (nitrates or nitrites) to nitrogen-containing gases, as by bacterial action on soil.
5. An organism that utilizes oxidation of inorganic chemicals for its energy and carbon dioxide for cell growth.
7. The outer protein coat of a virus particle
11. A toxin or other foreign subitance in the immune system.
13. A needle with a circular head used to transmit microbiologial species from one medium to another.