Answered: In the Biuret Assay for protein…

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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Similar questions

In a pUC19 digest for 1 ug of pUC19 (DNA conc. 282ng/ul) using 10X Cutsmart buffer, pure water and BamHI enzyme in a total volume of 40 ul, how much of each solution is added to the total volume?
The purification continues with a cation exchange step in which the positively charged cytochrome C protein is separated from negatively charged DNA and other proteins. The cation exchange eluate (volume of solution collected) had a total volume of 42.0 mL and a 1.0 mL aliquot was set aside for further analysis. The following data was obtained from the 1.0 mL aliquot to quantify the protein amount and purity: The absorbance at 410 nm of the aliquot was diluted 5-fold was 0.474 (1 cm pathlength). The absorbance at 595 nm from a 1.0 mL Bradford Assay solution that was diluted by 100-fold from the aliquot was 0.195 (1 cm pathlength). Using the information given, Calculate the total protein amount in mg from the absorbance at 595 nm. Calculate the cytochrome C amount in mg from the absorbance at 410 nm using Beer’s Law.
In Multi-Column Purification of rGFP. What happens to the protein amount, protein purity, and/or specific activity of a purification fraction if one of the three is changed? (i.e. understand the relationship between the three.)

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In the Biuret Assay for protein concentration determination, the role of sodium potassium tartrate is to prevent the (gaining, losing) of electrons by Cu2+.