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Gel electrophoresis can be used to separate molecules by select all that apply a.length. b.size. c.charge....

Gel electrophoresis can be used to separate molecules by select all that apply

a.length.

b.size.

c.charge.

d.weight.

e.# of atoms.

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Answer #1

Gel  electrophoresis is a process by which molecules based on size, charge length etc can be separated. Using an electric field, molecules (such as DNA) can be made to move through a gel made of agarose or polyacrylamide. The electric field consists of a negative charge at one end which pushes the molecules through the gel, and a positive charge at the other end that pulls the molecules through the gel.

Shorter molecules move faster and migrate farther than longer ones because shorter molecules migrate more easily through the pores of the gel. This phenomenon is called sieving.

Similarly a negetive charged molecule will be pushed away while a positive charged particle will not.

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