On the base of the agar plate.
Brain Heart Infusion Agar
When iodine is added to an amylaze enzyme activity in an experiment such as a agar plate with wells, it does two things. When tested with starch, the color of the liquid will turn a brownish-yellowish color meaning that enzyme reactions had occured. Also on a well agar plate the idione will repel in a circle around the well. most of the time around 2 cm in diameter.
Pancreatic digest of casein, papaic digest of soybean meal, beef extract, peptone
Compound agar is derived from Physcomitrella Patens. It is a basic medium that can grow many microorganisms such as mold and yeast. Other compounds can be added to the medium to allow more microbes to grow.
in order to maintain the ionic balance.....................
On the base of the agar plate.
before bacterial culture, the media containing agar i.e. solid agar should dry in the incubator, that is prewarm agar plate.
to inoculate an agar plate you would place bacteria on the agar to grow
MacConkey Agar plate
It is called a streak plate, inoculating the agar plate with a zig-zag motion.
There are areas on the agar plate where no bacteria grow because that area was missed when the plate was streaked.
Agar is used to culture bacteria for scientific research.
How do colonies on the surface of a pour plate differ from those suspended in the agar?
to determine and test its growth rate at room temperature and body temperature as a control plate.
Spreading is done carefully on agar plate as we have to prevent even a minute to minute contamination and also we have to check that weather the spreading is done equally or not while not demaging the layer of agar.
Agar plate method is used to culture bacteria in lab .
Frederick A. Agar has written: 'Church finance'