biology (DNA)

please answer them as much as possible thanks so much!!

1. What is the basis for separation of DNA fragments using gel
electrophoresis?
2. What is the purpose of a “running buffer”?
3. How many microlitres (µL) are in one millilitre (mL)?
4. If the DNA solutions provided were 10µg/mL and you loaded 5µL on the gel,
how many µg of DNA were loaded in each well?