Microbiology

3. a microorganism with an optimum growth rate between 20 and 45 C
5. ex. adenine and guanine
8. measure of water available to a microbe in environment
9. occurrence of death in a population
11. the first person to describe and illustrate bacteria
12. microorganism that is able to grow in a wide range of Wa and solute concentration
13. short wave lengths that kill cells with excellent penetrative power; a type of ionizing radiation
16. measure of an organism’s ability to inflict damage on its host
17. a basic counterstain that can be used in gram- staining
18. polymerase that complementary binds new nucleotides to the DNA template
19. derived from seaweed and used as a solidifying agent in some media
20. gram negative rods that ferment lactose at 37C
22. a relationship between two organisms
24. an individual that has an infectious organism but does not exhibit the symptoms

1. number of bases in an anticodon
2. organisms adapted to low nutrient concentrations
4. the study of incidence, distribution, and spread of disease in a population
6. organism enters and begins to grow in the host
7. used in large quantities (ex. Nitrogen, phosphorus, and carbon)
10. Culture that has a constant inflow and outflow of medium
12. a microorganism that can become pathogenic under certain circumstances
14. nucleotide sequence translated by a ribosome
15. specific set of signs & symptoms that occur together and indicate a certain disease or condition
20. sterilization used to kill insect eggs and medical instruments
21. Phase of batch culture growth where there is no increase in cell number
23. rod shaped bacteria