1.7 Growing And Investigating Bacteria Flashcards
1
Q
How do you make sure that unwanted microorganism so not contaminate a pure culture of bacteria?
A
All the materials and equipment must be sterilised to ensure that unwanted microorganisms do not infect the culture
2
Q
Why do industrial laboratories use 35oC instead of 25oC as in schools?
A
To prevent the bacteria from mutating and growing
3
Q
Define culture medium
A
A substance containing the nutrients needed for microorganism to grow
4
Q
Define agar
A
The nutrient jelly on which many microorganism are cultured