SDS-Polyacrylamide

[accountsful]

super

[DNAMethyltransferase]

A word can have more than one meaning. You should research if there are other possible meanings of a word before saying something like this.

Retarded can also mean "delayed or slowed down" (in this case, the protein is slowed down while traveling through the gel because of its size).

[nemokidd]

this explains the mass to charge really good thnks

[berlin45ers]

connected to a power supply the negatively charged polypeptide migrate through the gel to the positively charged electrode

[DNAMethyltransferase]

huh?...

[Medcore]

OMG, this is a great video! thianks!