Multiple Choice
Which of these is considered a special stain that correctly matches its description?
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9. Microscopes
Other Types of Staining
Multiple Choice
_______ is/are used to attach fluorochrome molecules to antigens on the surface of bacterial cells in immunofluorescence.
A
DNA.
B
Ribosomes.
C
Antibodies.
D
Flagella.
Verified step by step guidance1
Understand the context of immunofluorescence: It is a technique used to visualize the presence of specific proteins or antigens in cells by using antibodies linked to a fluorescent dye (fluorochrome).
Identify the role of antibodies in immunofluorescence: Antibodies are proteins that specifically bind to antigens. In this technique, they are used as a tool to target and bind to specific antigens on the surface of bacterial cells.
Recognize the function of fluorochromes: These are fluorescent dyes that emit light upon excitation. When attached to antibodies, they allow visualization of the antigen-antibody complex under a fluorescence microscope.
Connect the antibodies to the fluorochromes: In immunofluorescence, antibodies are conjugated with fluorochromes. This means that the fluorochrome molecules are chemically linked to the antibodies, enabling them to fluoresce when bound to their target antigens.
Conclude that antibodies are the correct answer: Given the options, antibodies are the molecules used to attach fluorochromes to antigens on bacterial cells, facilitating their detection and visualization in immunofluorescence.
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