topic 3

Question 1

Bacteria multiply by xxxxxas often as xxxx minutes if they have enough xxxx

Bacteria can be grown in a nutrient broth solution or as colonies on an agar gel plate.
Uncontaminated cultures of microorganisms are required for investigating the action of disinfectants and antibiotics.

Answer 1

Bacteria multiply by simple cell division (binary fission) as often as once every 20 minutes if they have enough nutrients and a suitable temperature.

Bacteria can be grown in a nutrient broth solution or as colonies on an agar gel plate.
Uncontaminated cultures of microorganisms are required for investigating the action of disinfectants and antibiotics.