a.) Explain briefly how silica allows us to purify DNA. Be sure to state the relevant biochemical features of silica and DNA as well as any relevant reagents or steps that are important for the purification. Your answer should explain both how we get the DNA to bind in the first place, and how we are able to remove the DNA. You do not (and should not) explain earlier steps in a DNA purification; focus you answer on the silica:DNA interaction. b.) In theory, can a silica spin column also be used to purify RNA? If so, explain how (and why we did not observe RNA when analyzing plasmid DNA via agarose gel electrophoresis). If not, explain why not.
a.) Explain briefly how silica allows us to purify DNA. Be sure to state the relevant biochemical features of silica and DNA as well as any relevant reagents or steps that are important for the purification. Your answer should explain both how we get the DNA to bind in the first place, and how we are able to remove the DNA. You do not (and should not) explain earlier steps in a DNA purification; focus you answer on the silica:DNA interaction. b.) In theory, can a silica spin column also be used to purify RNA? If so, explain how (and why we did not observe RNA when analyzing plasmid DNA via agarose gel electrophoresis). If not, explain why not.
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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a.) Explain briefly how silica allows us to purify DNA. Be sure to state the relevant biochemical features of silica and DNA as well as any relevant reagents or steps that are important for the purification. Your answer should explain both how we get the DNA to bind in the first place, and how we are able to remove the DNA. You do not (and should not) explain earlier steps in a DNA purification; focus you answer on the silica:DNA interaction.
b.) In theory, can a silica spin column also be used to purify RNA? If so, explain how (and why we did not observe RNA when analyzing plasmid DNA via agarose gel electrophoresis). If not, explain why not.
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