You extract DNA from 200 milligram of wheat germ. Your total volume of DNA extraction sample is 500 microlitres. You pipette 200 microlitres of this extraction sample into a 3-ml cuvette and make up to 3.0 ml using buffer. The absorbance at 260 nm (A260o) of the solution in the cuvette is 0.2 (Remember: an A260 of 1.0 corresponds to a DNA concentration in the cuvette solution of 50 micrograms per ml). Calculate the total amount of DNA in 100g wheat germ, assuming that the extraction efficiency of DNA from wheat germ during your lab protocol is 40%. Please fill out each of the boxes in the Table below
You extract DNA from 200 milligram of wheat germ. Your total volume of DNA extraction sample is 500 microlitres. You pipette 200 microlitres of this extraction sample into a 3-ml cuvette and make up to 3.0 ml using buffer. The absorbance at 260 nm (A260o) of the solution in the cuvette is 0.2 (Remember: an A260 of 1.0 corresponds to a DNA concentration in the cuvette solution of 50 micrograms per ml). Calculate the total amount of DNA in 100g wheat germ, assuming that the extraction efficiency of DNA from wheat germ during your lab protocol is 40%. Please fill out each of the boxes in the Table below
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
Related questions
Question

Transcribed Image Text:What to Calculate
Calculation / Result
DNA concentration in cuvette
solution (in microgram per ml)
Dilution factor of DNA sample
in cuvette
Total amount (microgram) of
DNA in the entire extraction
sample
Total amount (milligram) of
DNA in 100g wheat germ
assuming an extraction
efficiency of 40%

Transcribed Image Text:You extract DNA from 200 milligram of wheat germ. Your total volume of DNA
extraction sample is 500 microlitres. You pipette 200 microlitres of this extraction sample
into a 3-ml cuvette and make up to 3.0 ml using buffer. The absorbance at 260 nm (A26o)
of the solution in the cuvette is 0.2 (Remember: an A260 of 1.0 corresponds to a DNA
concentration in the cuvette solution of 50 micrograms per ml).
Calculate the total amount of DNA in 100g wheat germ, assuming that the extraction
efficiency of DNA from wheat germ during your lab protocol is 40%. Please fill out each
of the boxes in the Table below
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