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Hello everyone.
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So let's start with the explanation for the question.
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So first i'll tell you what is the procedure for gram staining and then we will come to the question so that you will be able to solve the questions.
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So first what we'll do the first step in the gram staining is what we do.
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We take the culture.
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Suppose we are having some bacterial culture.
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What we do we will fix the culture.
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So the first step is the fixing of the culture.
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Then after the fixing of the culture, heat fix.
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What we do heat fixing.
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After the fixing of the culture, what we use, we use the crystal violet stain.
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What is the function of that stain? it is the primary stain.
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Then after the crystal voilate, what we use, we use the iot.
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So now what is the function of iodine? iodine is work as mordant...