Electrophoresis Quiz

• Chemistry
• Secondary Education

ELECTROPHORESIS RECAP

________ electrophoresis is a method to separate DNA, or RNA molecules by size.

1. Agarose gel
2. Paper
3. Thin layer
4. Cellulose acetate

_______ is the movement of negatively charged nucleic acid molecules through an agarose matrix with an electric field.

1. Electrolysis
2. Electrophoresis
3. Electrode
4. Molecular electrode-attraction

Positively-charged molecules will migrate to _________.

1. anode
2. electrode
3. cathode
4. electron

Nucleic acid moves from a negative to the __________.

1. anode
2. electrode
3. cathode
4. electron

DNA is __________ charged.

1. positively
2. negatively
3. neutrally
4. equally

An agarose gel is used to make the movement of DNA ______.

1. slower
2. faster
3. constant
4. equal

Which of the following is NOT a component of an electrophoresis system?

1. loading dye
2. buffer
3. HCl
4. agarose gel

Low concentration of agarose gel means _______.

1. better resolution of larger DNA fragments
2. smaller pores
3. better resolution of smaller proteins
4. separated components

Which of the following is NOT an application of gel electrophoresis?

1. estimation of the size of DNA molecules
2. analysis of PCR products
3. Separation of DNA fragments for extraction
4. charge protein molecules