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Assertion :In a DNA molecule, A-T rich parts melt before G-C r
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Assertion :In a DNA molecule, A-T rich parts melt before G-C rich parts.
Reason :In between A and T there are three H-bond, whereas in between G and C there are two H-bonds.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

C
Assertion is correct but Reason is incorrect

D
Both Assertion and Reason are incorrect

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Levi Discussed
Assertion :In a DNA molecule, A-T rich parts melt before G-C rich parts.
Reason :In between A and T there are three H-bond, whereas in between G and C there are two H-bonds.
11 mins ago
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Text SolutionText solutionverified iconVerified

A-T nucleotide pair have 2 hydrogen bonds between the adenine and guanine, as compared to three hydrogen bonds between guanine and cytosine. A-T rich regions are present near the promoter region of DNA replication as DNA has to uncoil to start replication. 
Therefore, the correct answer is option C.
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Question Text
Assertion :In a DNA molecule, A-T rich parts melt before G-C rich parts.
Reason :In between A and T there are three H-bond, whereas in between G and C there are two H-bonds.
TopicBiomolecules
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes116