Which of the following statements is true for $DNA$?
- AIt contains more purines and fewer pyrimidines.
- BIt contains more pyrimidines and fewer purines.
- CThe amount of purines is equal to the amount of pyrimidines.
- DIt contains half as many pyrimidines as purines.
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Give the historical background of $DNA$.
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View SolutionWhich molecule is responsible for maintaining continuity between generations in living organisms?
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View SolutionIdentify the correct features of $DNA$ from the following statements:
$(i)$ It is made of two polynucleotide chains.
(ii) The backbone is constituted by sugar and phosphate.
(iii) The two chains have anti-parallel polarity.
(iv) The bases in the two strands are linked through $H$-bonds.
$(v)$ Both chains are coiled in a right-handed fashion.
$(i)$ It is made of two polynucleotide chains.
(ii) The backbone is constituted by sugar and phosphate.
(iii) The two chains have anti-parallel polarity.
(iv) The bases in the two strands are linked through $H$-bonds.
$(v)$ Both chains are coiled in a right-handed fashion.
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View SolutionThe two strands of $DNA$ are
$A$ nucleosome consists of:
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