The graph given below shows the results of an experiment in which the UV absorbance (A280) of a protein solution was measured at different temperatures. One curve was obtained with the protein n ordinary buffer, pH 7. The other curve was obtained in the same buffer, and 1 M guanidinium nydrochoride (GdnHCI) was also present in the mixture. 1.0

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Chapter1: Biochemistry: An Evolving Science
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The graph given below shows the results of an experiment in which the UV absorbance (A280) of a
protein solution was measured at different temperatures. One curve was obtained with the protein
in ordinary buffer, pH 7. The other curve was obtained in the same buffer, and 1 M guanidinium
hydrochoride (GdnHCI) was also present in the mixture.
1.0
0.8
Curve a
Curve b
0.6
A280
0.4
0.2
0.0
20
40
60
80
100
temperature
Which curve goes with which condition? Explain briefly how you decided.
Transcribed Image Text:The graph given below shows the results of an experiment in which the UV absorbance (A280) of a protein solution was measured at different temperatures. One curve was obtained with the protein in ordinary buffer, pH 7. The other curve was obtained in the same buffer, and 1 M guanidinium hydrochoride (GdnHCI) was also present in the mixture. 1.0 0.8 Curve a Curve b 0.6 A280 0.4 0.2 0.0 20 40 60 80 100 temperature Which curve goes with which condition? Explain briefly how you decided.
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