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The page below is a sample from the LabCE course
Immunohistochemistry (IHC) Basics in Histology
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When should an avidin-biotin blocking step be performed?
Please select the single best answer
With every case
Only when staining tissues that are most likely to contain endogenous biotin
Only when endogenous peroxidase is present
Only when hemosiderin is present in the tissue
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