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OCR A-level Biology: Module 2 | 156 Questions with 100% correct Answers | Verified
Light microscope - An instrument that uses visible light and glass lenses to enable the user to objects 
magnified many times 
Compound light microscope - A light microscope which uses two lenses to magnify an object; the 
objective lens, which is placed near to the specimen and an eyepiece lens, through which the specimen 
is viewed 
Differential staining - Using specific stains to distinguish different types of cell 
Counterstain - Application of second stain with a contrasting colour to sampl...
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