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Get Answers to all your Questions
Which of the following is the complementary base pairing in DNA?
Adenine - Guanine
Thymine - Cytosine
. Adenine - Thymine
Guanine - Cytosine
Answers (1)
In DNA the nucleotides are joined by phosphodiester bonds to form polynucleotide strands. The two strands in DNA are complementary and antiparallel. The Structure of DNA is stabilized by hydrogen bondings between the complementary base pairs in DNA. DNA has nitrogen bases namely purines - adenine, guanine, pyramidines - thymine and cytosine.The complementary base pairing in DNA is adenine (A) with thymine (T) and guanine (G) with cytosine (C). Hence option 3 is the correct answer.
Option(A) The complementary base pairing in DNA is adenine (A) with thymine (T) and guanine (G) with cytosine (C). Hence option 1 is incorrect.
Option(B) The complementary base pairing in DNA is adenine (A) with thymine (T) and guanine (G) with cytosine (C). Hence option 2 is incorrect.
Option(D) The complementary base pairing in DNA is adenine (A) with thymine (T) and guanine (G) with cytosine (C). Hence option 4 is incorrect.
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