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A.)There are four important steps in a Gram stain. List the specific stains/chemicals used in each...

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Biology

A.)There are four important steps in a Gram stain. List thespecific stains/chemicals used in each step, and the color of bothGram positive and Gram negative bacteria after each step.

B.)Describe 2 reasons why heat fixing a specimen before viewingunder a microscope is important.

C.)Describe how the design of the swan - necked flasks inPasteur's classic experiment helped disprove spontaneousgeneration. What were the results of the experiment? How did itcounter the \"vital force\" argument believed by many scientists.

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4.2 Ratings (694 Votes)
1Four important steps in gram stain are aprimay stain biodide treatment c Decolourisation dcounterstaining Where primary stain is crystal violet which is taken up by the bacteria than fixation with iodine takes place so that crystal violet is retained in the bacteria and after washing aa alcohol which acts as a decolourising agent which    See Answer
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