Which one of the following is NOT part of the streak-plate method?
a. Making four sets of streaks on a plate.
b. Diluting a mixed culture in molten agar.
c. Using a mixed culture.
d. Using a sterilized loop.
a. Making four sets of streaks on a plate.
b. Diluting a mixed culture in molten agar.
c. Using a mixed culture.
d. Using a sterilized loop.