Prof. Dr. Sevgi ERTUĞRUL KARATAY
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crystal violet in the medium prevent the growth of Gram (+) bacteria and are used as selective indicator in the medium. When lactose is used, a red color is formed due to the pH
1) For fermentation test, phenol red is placed on four nutrient broth media containing glucose, sucrose,. lactose
Fermentation Tests - Triple Sugar Iron (TSI) Agar Test.. TSI agar is especially used to identify Gram (-) bacteria such as
At the end of the experiment, it is obtained whether glucose is used in fermentative way, organic acids are.. formed in the medium and
If the microorganism has the amylase activity, it will break down starch molecules and use glucose when added to starchy agar medium. In this case,
If microorganism having the gelatinase enzyme forms a gelatinase zone in the gelatin nutrient medium. If there is liquefaction in the medium:
Normally, the agar content of 1.5%, but in the case of mobility test agar concentration adjusted to 0.4% to.. allow
Antibiogram tests are often used to determine antibiotics and effect doses that can be used to prevent the growth or growth of