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Structure of DNA

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Structure of DNA

Posted by Ankush Prajapati 6 years, 7 months ago

CBSE > Class 12 > Biology

4 answers

Ankush Prajapati 6 years, 6 months ago

Thanks

Manika Gupta 6 years, 6 months ago

DNA is a double helical structure made up of polypeptide chain . The 2 chains are made up of sugar(pentose) and phosphate . the 2 chains have antiparallel polarity , one has 5'-3' and another has 3'-5' the 2 strands are joined via bases. These bases are adenine(A) , guanine(G) , thymine(T) (uracil(U) in case of RNA) cytosine(C) . G triple bond C and A=T. These bonds are hydrogen bonds

Hritwik Raj 6 years, 7 months ago

Structure of DNA is made of 2 polypeptide chain 2 chains have anti-parallel polarity with 5'-3' & 3'-5'

Pratham Gaur 6 years, 7 months ago

Structure of DNA is double helix

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