What is used in Gel electrophoresis to separate the fragments based on size?

It’s science but they don’t have that as a subject

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

Describe the interaction that occurs between two objects with the same electrical charge.

What three things determine the shape and size of a puddle when water is poured out onto a surface