NEET Botany Molecular Basis of Inheritance Questions Solved


Which of the following is not a feature of the double helix model of DNA ?

(1) The two chains have anti-parallel polarity

(2) A purine always comes opposite to a pyrimidine

(3) The pitch of the DNA is 3.4 nm

(4) The two chains are coiled in a left handed fashion

(4) The two chains are coiled in a right handed fashion

Difficulty Level:

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