preventing bacterial growth Flashcards
1
Q
how often do bacteria multiply?
A
by simple cell division as often as every 20 mins if they have enough nutrients and a suitable temperature
2
Q
How can u investigate the effects of disinfectants and antibiotics on bacterial growth?
A
using agar plates and calculating the cross-sectional area of colonies grown or of clear areas of agar
3
Q
how can the spread of disease be prevented?
A
by simple hygiene measures, by destroying vectors, by isolation of infected individuals, and by vaccination.
