Question
The two strands in DNA are not identical but are complementary. Explain.
✓
Answer
In the helical structure of DNA, the two strands are held together by hydrogen bonds between specific pairs of bases. Cytosine forms hydrogen bond with guanine, while adenine forms hydrogen bond with thymine. As a result, the two strands are complementary to each other.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
How the following conversion can be carried out?
Ethanol to propanenitrile.
How will you convert ethanal into the following compound?
Butane-1,3-diol.
Name the sugar present in milk. How many monosaccharide units are present in it? What are such oligosaccharides called?
Arrange the following:
In increasing order of boiling point:
C2H5OH, (CH3)2NH, C2H5NH2
In increasing order of boiling point:
C2H5OH, (CH3)2NH, C2H5NH2
Write Electronic configuration of Second transition metal : Zr
How will you prepare the following compound from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom.
p-Nitrobenzaldehyde.
Give the equation of reaction of aniline with Benzaldehyde.
What happens when benzal chloride is heated auqeous NaOH ?
Show how would you synthesise the following alcohols from appropriate alkenes?
Using IUPAC norms write the formula for the following:
Pentaamminenitrito-N-cobalt (III).
Pentaamminenitrito-N-cobalt (III).