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Categories >> Sciences >> Biological Sciences >> Micro Biology
 
 


 

 
 Micro Biology interview questions  Micro Biology Interview Questions (630)
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Question
Why is the size more accurate in a negative stain than in a 
simple stain
 Question Submitted By :: Micro-Biology
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
in negative taining we uvally use induan ink or nigrosine
ink ,they r anionic nd negatively charged so thus the object
i also negatively charged and thus repel fill the spaces
between the object nd result to give clear image.where as
positive or simple staining methele blue used itsbasic dye
cationic and object is anionic so that +ve charge attaches
to th -ve charge nd the cell i dark not clearly visible.
 
Is This Answer Correct ?    8 Yes 3 No
Mary
 

 
 
 
Other Micro Biology Interview Questions
 
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who invented the rabbies ?   2
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what is the viral neutralization test?   1
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Has anyone know of lactobacillus bifidobacterium in cultivating it into powdered form while enhancing tthe viaability of the strain? what techniques do your use?   1
Name the bacteria which are commonly found in genital organs?   3
 
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