Which is the counterstain in the Gram stain procedure?
A) crystal violet
B) methylene blue
C) malachite green
D) safranin
E) Gram's iodine
Correct Answer:
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Q26: Which of the following staining processes requires
Q27: When light is absorbed by an object
Q28: The fluorophore acridine orange specifically binds:
A) cytoplasm
B)
Q29: Which of the following is a true
Q29: The aromatic groups of the fluorophore DAPI
Q32: A useful application of dark-field optics is
Q32: Which form of microscopy is used with
Q33: Fluorescence requires excitation and emission at different:
A)
Q34: The digitally combined images of cryo-EM can
Q35: In fluorescence microscopy, incident light is absorbed
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