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The bond that links two nucleotides together in a DNA strand is called the glycosidic bond.

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Important Questions on Patterns

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During DNA replication, Okazaki fragments are used to elongate:
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Which one of the following will be the ratio of heavy, intermediate and light bands in Meselson and Stahl's experiment after two generations if DNA replication were conservative?
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Which one of the following is not associated to DNA replication?
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If a completely radioactive double-stranded DNA molecule undergoes two rounds of replication in a non-radioactive medium, what will be the radioactive status of the four resulting molecules?
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Telomerase is an enzyme which is a
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E. coli about to replicate was placed in a medium containing radioactive thymidine for five minutes. Then it was made to replicate in a normal medium. Which of the following observation will be correct?
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Escherichia coli fully labeled with 15N is allowed to grow in 14N medium. The two strands of DNA molecule of the first generation bacteria have
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The enzyme used to join the DNA fragments is
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Which of the following is correct with respect to the process of DNA replication?
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One function of the telomeres in a chromosome is to 
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RNA primer is a must for initiation of DNA duplication as it
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DNA is a polymer of nucleotides which are linked to each other by 3' - 5' phosphodiester bonds. To prevent polymerisation of nucleotides, which of the following modification (s) would you choose? 
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During DNA replication, the strands separate by
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In terms of structure, the replisome is composed of how many replicative polymerase complexes.
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The double helix and the twisted-ladder structure of deoxyribonucleic acid was discovered by
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Two functions of primary DNA replicating enzyme DNA pol III (holoenzyme) in bacteria are