When enough heat is added to double-stranded DNA, the hydrogen bonds between the base pairs are disrupted, and the DNA strands come apart (denature). You have two different double-stranded DNA samples. In DNA X, 50% of the base pairs are G-C. In DNA Y, 80% of the base pairs are G-C. Mark any/all that apply. DNA Y denatures at a higher temperature than DNA X does. It takes more energy to denature DNA Y than it takes to denature DNA X. DNA X denatures at a higher temperature than DNA Y does. O It takes more energy to denature DNA X than it takes to denature DNA Y.

Chemistry for Today: General, Organic, and Biochemistry
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Chapter21: Nucleic Acids And Protein Synthesis
Section: Chapter Questions
Problem 21.24E
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When enough heat is added to double-stranded DNA, the
hydrogen bonds between the base pairs are disrupted, and the
DNA strands come apart (denature). You have two different
double-stranded DNA samples. In DNA X, 50% of the base pairs
are G-C. In DNA Y, 80% of the base pairs are G-C. Mark any/all
that apply.
DNA Y denatures at a higher temperature than DNA X does.
It takes more energy to denature DNA Y than it takes to denature
DNA X.
DNA X denatures at a higher temperature than DNA Y does.
O It takes more energy to denature DNA X than it takes to denature
DNA Y.
Transcribed Image Text:When enough heat is added to double-stranded DNA, the hydrogen bonds between the base pairs are disrupted, and the DNA strands come apart (denature). You have two different double-stranded DNA samples. In DNA X, 50% of the base pairs are G-C. In DNA Y, 80% of the base pairs are G-C. Mark any/all that apply. DNA Y denatures at a higher temperature than DNA X does. It takes more energy to denature DNA Y than it takes to denature DNA X. DNA X denatures at a higher temperature than DNA Y does. O It takes more energy to denature DNA X than it takes to denature DNA Y.
Expert Solution
Step 1

1. DNA Y denatured at high temperatures because it contains 80%G-C base pairs than DNA X as it contains 50% only.

2. Same phenomenon here also DNA Y requires more energy to denaturate than DNA X.

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