Question

Your friend Ravi has been given a powerful microscope, 1 litre of curd packet and lots of distilled
water. Ravi was asked to think of a way to calculate the number of 'Lactobacillus bacteria present in
the curd packet. Ravi chose multiple methods and at the end, he was successful in calculating it.
Method 1: Ravi took 1 millilitre of curd and then he put it on a slide. He said that he will count the
number of bacteria in 1 millilitre and then he will multiply the count by 1000. He started to observe
the Lactobacillus. What is the problem that he will face in this method?

Answer 1

Answer:

First, since Lactobacillus acidophilus is a Lactobacillus, you cannot isolate it from itself. Second, a good scholar.google search on methods would help find a variety of choices. The following is not specific for L. acidophilus but it shows the ability to discriminate strains of Lactobacillus from each other, and then of course you have the ability to isolate a colony -

Answer 2

Answer:

sorry I don't know............