Answer:
Here's the matching of the chemical or piece of equipment to its purpose in gel electrophoresis:
Agarose: This is the main component of the gel.
Gel comb: This piece of plastic creates the wells in the gel where DNA is inserted.
TAE buffer: This liquid covers the gel and facilitates the flow of electricity.
GelRed: This enters the DNA and makes it visible under UV light.
Step-by-step explanation: