4-19. In a common protein analysis, a dye binds to the protein and the color of the dye changes from brown to blue. The intensity of blue color is proportional to the amount of protein present. Protein (µg): 0.00 9.36 18.72 28.08 37.44 Absorbance: 0.466 0.676 0.883 1.086 1.280 (a) After subtracting the blank absorbance (0.466) from the remaining absorbances, use the method of least squares to determine the equation of the best straight line through these five points (n and intercept to express the equation in the form y (±s,) = [m (±sm)]x + [b (±sµ)] with a reasonable number of signifi- cant figures. 5). Use the standard deviation of the slope (b) Make a graph showing the experimental data and the cal- culated straight line. (c) An unknown gave an observed absorbance of 0.973. Cal- culate the number of micrograms of protein in the unknown, and estimate its uncertainty,
4-19. In a common protein analysis, a dye binds to the protein and the color of the dye changes from brown to blue. The intensity of blue color is proportional to the amount of protein present. Protein (µg): 0.00 9.36 18.72 28.08 37.44 Absorbance: 0.466 0.676 0.883 1.086 1.280 (a) After subtracting the blank absorbance (0.466) from the remaining absorbances, use the method of least squares to determine the equation of the best straight line through these five points (n and intercept to express the equation in the form y (±s,) = [m (±sm)]x + [b (±sµ)] with a reasonable number of signifi- cant figures. 5). Use the standard deviation of the slope (b) Make a graph showing the experimental data and the cal- culated straight line. (c) An unknown gave an observed absorbance of 0.973. Cal- culate the number of micrograms of protein in the unknown, and estimate its uncertainty,
Biochemistry
9th Edition
ISBN:9781305961135
Author:Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher:Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Chapter3: Amino Acids And Peptides
Section: Chapter Questions
Problem 54RE: THOUGHT QUESTION Imagine we identify a gene that is directly responsible for the effects of...
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