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Each strand of DNA appears like a helical staircase, and each step of ascent is represented by a pair of bases. At each step of ascent, the strand turns ____
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Important Questions on Biomolecules
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Identify the given structure.
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Which of the following is an incorrect statement?
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Mark the odd one with respect to nucleosides.
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_____ bond is present between a nitrogen base and pentose sugar in a nucleoside.
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Read the following statements:
(i) The adjacent nucleotides in a nucleic acid are linked by phosphodiester bonds.
(ii) Uracil is not found in DNA.
(iii) B-DNA has left-handed helical structure with 10 base pairs per turn.
(iv) Pyrimidines are double-ring structures with four nitrogen atoms.
Which of the above statements are correct?
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The similarity in DNA and RNA is having ____
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Identify the structures A and B.
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In a nucleic acid, a phosphate moiety links the ____
