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The two strands in DNA are not identical but are complementary
Chemistry Part-II
Chemistry Part-II

Class 12

NCERT

Publisher:
NCERT
Subject:
Chemistry
Question
Easy
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Solving time: 1 mins

The two strands in DNA are not identical but are complementary. Explain.

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Updated on: Feb 3, 2023

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Chemistry Part-II (NCERT)

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The two strands in DNA are not identical but are complementary. Explain.
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Each strand consist of 4 bases which are Adenine, Guanine, Thymine and Cytosine.

These complementary bases are the following:
 Adenine (A) Thymine (T)
Cytosine (C)  Guanine  (G)

  This symbol represents that both the left and right hand side bases are complementary to each other.

The two strands are internally connected by hydrogen bonding between complementary bases. The two strands of DNA are not identical because their sequence of bases has to be complementary to each other.. Ex- If one sequence is ATCG the other has to be TAGC.
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Question Text
The two strands in DNA are not identical but are complementary. Explain.
Updated OnFeb 3, 2023
TopicBiomolecules
SubjectChemistry
ClassClass 12
Answer TypeText solution:1 Video solution: 2
Upvotes334
Avg. Video Duration11 min