Electrophoresis Quiz

What is the primary purpose of electrophoresis?

• To measure temperature changes

• To mix different chemicals

• To separate charged molecules based on size and charge

• To create electric fields

During the preparation stage of electrophoresis, what is mixed with the buffer solution?

• Sugar

• Water

• Agarose or polyacrylamide

• Salt

In electrophoresis, what is the role of the tracking dye?

• To increase the speed of migration

• To stabilize the gel

• To provide a visual indicator of migration progress

• To change the charge of molecules

Which of the following is NOT an application of electrophoresis?

• DNA fingerprinting

• Protein size analysis

• Weather forecasting

• Crime scene investigation

What type of stain is used to visualize proteins in electrophoresis?

• Methylene blue

• Kumasi Brilliant Blue

• Ephidium bromide

• SCB green