Which of the Following Compounds are Used for Labeling Probes

Question

Which of the following compounds are used for labeling probes?
A) Agar
B) Fluorescein
C) Digitoxin
D) Horseradish peroxidase

Accepted Answer

Fluorescein is commonly used for labeling probes in various biological assays such as fluorescence in situ hybridization (FISH) and immunofluorescence. Agar is a type of polysaccharide used as a solidifying agent in culture media. Digitoxin is a cardiac glycoside used to treat heart failure. Horseradish peroxidase is an enzyme commonly used in biochemistry for detection of proteins and other molecules.