The double helix model of DNA by Watson and Crick exhibits its:

1. Primary structure 2. Secondary structure
3. Tertiary structure 4. Quaternary structure
Subtopic:  Double Helix : Watson & Crick |
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In a nucleic acid:
I: a phosphate moiety links the 5’ carbon of one sugar of one nucleotide to the 1’ carbon of the sugar of the succeeding nucleotide.
II: the backbone of the strand is made up of alternate sugar and nitrogenous bases.
1. Only I is correct
2. Only Ii is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  The DNA | Double Helix : Watson & Crick |
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Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology