Question:
Two nitrogenous bases are linked by which bond?
Two nitrogenous bases are linked by which bond?
Updated On: Sep 23, 2026
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Solution and Explanation
Step 1: Understanding the Concept:
In the double-helix model of DNA, the two polynucleotide strands are held together by pairing between complementary nitrogenous bases on opposite strands.
Step 2: Naming the Bond:
This complementary base pairing (Adenine with Thymine via 2 bonds, Guanine with Cytosine via 3 bonds) is due to hydrogen bonding.
Final Answer:
\(\text{Hydrogen bonds}\)
In the double-helix model of DNA, the two polynucleotide strands are held together by pairing between complementary nitrogenous bases on opposite strands.
Step 2: Naming the Bond:
This complementary base pairing (Adenine with Thymine via 2 bonds, Guanine with Cytosine via 3 bonds) is due to hydrogen bonding.
Final Answer:
\(\text{Hydrogen bonds}\)
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