gel-electrophoresis-is-a-technique-for-separating-dna-rna-or-protein-mixtures-by

Question

Gel electrophoresis is a technique for separating DNA, RNA, or protein mixtures by molecular size in the laboratory. Which of the following statements about the gel electrophoresis procedure is incorrect?

Accepted Answer

Since RNA has a positive charge, it will be drawn toward the gel's negative end.

Answer

The gel has a positive charge at one end and a negative charge at the other.

Answer

Because DNA has a negative charge, it will be drawn toward the gel's positive end.

Answer

Since proteins do not have a negative charge, they must first be treated with sodium dodecyl sulfate before being separated.

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Gel electrophoresis is a technique for separating DNA, RNA, or protein mixtures by molecular size in the laboratory. Which of the following statements about the gel electrophoresis procedure is incorrect?