microbiology Flashcards
1
Q
what is the definition of a virus
A
micro organisms that multiply only in living cells by making replicas of themselves
2
Q
what is the definition of a bacteria
A
Bacteria are single cells that can reproduce very quickly.
3
Q
What diseases can harmful bacteria cause
A
Pneumonia, tuberculosis and salmonella
4
Q
what are antibiotics?
A
Chemicals made by micro-organisms which kill or prevent the growth of bacteria