Consider the following events in DNA replication. a. Formation of RNA primers by RNA polymerase b. Removal of RNA primers and formation of Okazak fragments c. Formation of DNA strands on RNA primers by poly III-copoly III complex d. Recognition of initiation point by initiation proteins e. Dissociation of hydrogen bonds and opening of a 'bubble' in the duplex by unwinding proteins f. Filling up of the gaps between Okaaki fragments and formation of DNA strand. The correct sequence of these events is?
A
$$4, 5, 2, 1, 3, 6$$
B
$$4, 5, 1, 3, 2, 6$$
C
$$4, 1, 5, 2, 3, 6$$
D
$$4, 5, 1, 2, 3, 6$$
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Solution
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Correct option is A. $$4, 5, 1, 3, 2, 6$$
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Similar Questions
Q1
Consider the following events in DNA replication. a. Formation of RNA primers by RNA polymerase b. Removal of RNA primers and formation of Okazak fragments c. Formation of DNA strands on RNA primers by poly III-copoly III complex d. Recognition of initiation point by initiation proteins e. Dissociation of hydrogen bonds and opening of a 'bubble' in the duplex by unwinding proteins f. Filling up of the gaps between Okaaki fragments and formation of DNA strand. The correct sequence of these events is?
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Q2
Reason Okazaki fragments of DNA are formed by the enzyme DNA polymerase(s). Assertion The replication of DNA starts with the formation of RNA primer of $$8-10$$ nucleotides at a specific site on template strand of DNA. The replication of DNA starts with the formation of RNA primer of $$8-10$$ nucleotides at a specific site on template strand of DNA.
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Q3
How many of the following statements are correct ?
A. DNA dependent DNA polymerase requires DNA primer for initiating replication but DNA dependent RNA polymerase does not require any primer for transcription.
B. DNA dependent DNA polymerase requires RNA primer for initiating replication but DNA dependent RNA polymerase does not require any primer for transcription.
C. During replication, unwinding of DNA double helix forms a fork-like structure called replication fork.
D. During transcription, unwinding of the DNA double helix by DNA dependent RNA polymerase forms a transcription bubble.
E. During transcription, unwinding of DNA double helix by DNA dependent RNA polymerase forms a transcription fork.
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Q4
Match the following enzymes of DNA replication with their respective functions: p.DNApolymerasei.HelpsunziptheDNAdoublehelixq.DNAligaseii.SealsnicksbetweenOkazakifragmentsr.DNAhelicaseiii.LaysRNAprimerstowhichpolymerasecanaddnucleotidess.Primaseiv.Addsnucleotidestothefree3′endofRNAprimers
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Q5
Choose the correct answer from the alternatives given : Refer to the given steps Of DNA replication. (i) Exposure of DNA strands (ii) Synthesis of RNA primer (iii) Activation of deoxyribonucleotides (iv) Chain formation (v) Base pairing (vi) Proof reading and DNA repair (vii) DNA polymerase attaches at Or site Select the correct sequence of DNA replication.