Identify the correct order of stages to observe the bacteria in buttermilk.
a) Slowly heat the slide.
b) Wash the slide gently with water
c) Put a drop of buttermilk on the slide.
d) Add crystal violet solution on the slide.
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Explanation:
Lactobacillus is a most commonly found bacteria in milk, yogurt and other dairy products. They are rod shaped, non-spore forming, gram positive bacteria. We can observe them by making a slide of yogurt: -Take a glass slide and put a drop of diluted yogurt on it, make a smear for 2 to 3 secs on the slide.
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