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8) Explain why DNA with a higher ratio of A-T base pairs compared to G-C base pairing would have a lower melting point.

8) Explain why DNA with a higher ratio of A-T base pairs compared to G-C base pairing would have a lower melting point.

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter23: Organic Polymers, Natural And Synthetic
Section: Chapter Questions
Problem 46QAP: Glycolysis is the process by which glucose is metabolized to lactic acid according to the equation...
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7) You encounter a bunch of cells with glucose concentration inside of 0.10 mM and they are suspended in a solution that has a glucose concentration of 0.010 mM. ww a) Will glucose travel into or out of the cells? b) What is the free energy change in kl/mol for the transport of glucose from the medium into the cell? Assume a temperature of 37 °C. 8) Explain why DNA with a higher ratio of A-T base pairs compared to G-C base pairing would have a lower melting point. 9) Ethidium bromide is a compound commonly used to visualize DNA during gel electrophoresis, though its use has been phased out due to toxicity and mutagenic concerns. This compound stains DNA by intercalating. Explain what this means in the context of DNA base pairs.
Transcribed Image Text:7) You encounter a bunch of cells with glucose concentration inside of 0.10 mM and they are suspended in a solution that has a glucose concentration of 0.010 mM. ww a) Will glucose travel into or out of the cells? b) What is the free energy change in kl/mol for the transport of glucose from the medium into the cell? Assume a temperature of 37 °C. 8) Explain why DNA with a higher ratio of A-T base pairs compared to G-C base pairing would have a lower melting point. 9) Ethidium bromide is a compound commonly used to visualize DNA during gel electrophoresis, though its use has been phased out due to toxicity and mutagenic concerns. This compound stains DNA by intercalating. Explain what this means in the context of DNA base pairs.
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