Culturing Microbes

Bacteria use a type of simple cell divison, called binary fusion, to multiply. This is an example of asexual reprouduction

They can multiply as frequently as once every 20 minutes if they have enough nutrients and a sutible temperature 

Bacteria can be grown in a nutrient broth solution or as colonies on a type of jelly called agar. This is called a culture

The agar is usually in the bottom of a flat dish called a Petri dish

Cultures of microorganisms need to be uncontaminated. This is important so that specific strains can be used to test…