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Molecular Biology Practice Test: DNA Replication
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DNA Replication topics include: DNA replication occurs at the replication fork, DNA polymerase properties, nucleotides are the precursors for DNA synthesis, replication form complex, replicon concept, replicating linear DNA in eukaryotes, chromosome replication initiates at oric & terminates at terc.   DNA replication is a biological process that produces two identical DNA replicas from one original DNA molecule. It occurs in all living organisms and is a vital part of biological inheritance. The steps of DNA replication include: Recognizing the initiation point Unwinding the... Show more
Molecular Biology Practice Test: DNA Replication
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25 Questions

1. How many origin of replication are present in the E. coli genome ___________
2. Which of the following is not a nucleotide?
3. DNA polymerase III has ___________ subunits.
4. Binding of the Dna A protein to the DNA is energy dependent.
5. Who was the first person to analyse the process of replication and on which organism?
6. Binding of polymerase III and helicase ensures helicase efficiency.
7. Which of the following enzyme is not required for the synthesis of lagging strand?
8. How many active sites are present in the DNA polymerase to catalyze the addition of the four dNTPs?
9. DNA helicase travels along _________
10. Activation of the origin of replication occurs in ____________ phase.
11. The arrest of replication fork motion at Ter sites require the action of ____________ protein.
12. The nitrogenous base is covalently linked to the _________ carbon of the pentose sugar.
13. DNA polymerase can distinguish between dNTPs and rNTPS due to ___________
14. How many polymerases are present in a replication fork?
15. Which of the following is correctly matched with its subsequent role?
16. In which carbon do the deoxyribonucleotides lack an –OH molecule?
17. The replicon model was first explained in the year ____________
18. How is the strength of the interaction between primase and helicase which regulates the length of Okazaki fragments?
19. Which of the following is not true about nucleotides?
20. The replicator selection is mediated by the formation of pre-replicative complex. It comprises of _________________
21. DNA synthesis is known as a coupled process.
22. Which of the following types of DNA polymerase does not take part in DNA repair?
23. Who of the following was not one of the scientists explaining the replicon model?
24. A complete DNA polymerase III holoenzyme contains ____________ subunits.
25. Choose the odd one out with respect to DNA polymerase III.