Home⇒ Medical Science⇒ Microbiology⇒ Dna replication
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ The replication of chromosomes by eukaryotes occurs in a relatively short period of time because each chromosome contains multiple replicons [other wrong options] [Discuss in forum] |
| Q2 ⇒ Which of the following possesses both 5'-3' and 3'-5' exonuclease activity? Kornberg enzyme [other wrong options] [Discuss in forum] |
| Q3 ⇒ Proofreading activity to maintain the fidelity of DNA synthesis is a function of the 3'-5' exonuclease activity of the DNA polymerases [other wrong options] [Discuss in forum] |
| Q4 ⇒ Which of the following enzymes unwind short stretches of DNA helix immediately ahead of a replication fork? Helicases [other wrong options] [Discuss in forum] |
| Q5 ⇒ During which of the following process a new copy of a DNA molecule is precisely synthesized? Replication [other wrong options] [Discuss in forum] |
| Q6 ⇒ Which of the following lacks 3'-5' exonuclease activity? All of the above [other wrong options] [Discuss in forum] |
| Q7 ⇒ Both strands of DNA serve as templates concurrently in replication [other wrong options] [Discuss in forum] |
| Q8 ⇒ DNA gyrase is inhibited by nalidixic acid [other wrong options] [Discuss in forum] |
| Q9 ⇒ The synthesis of DNA by DNA polymerase occurs in the 5' to 3' direction [other wrong options] [Discuss in forum] |
| Q10 ⇒ Which of the following statements on replication in E.coli is correct? It occurs in bidirectional manner [other wrong options] [Discuss in forum] |
| Q11 ⇒ In E.coli, which enzyme synthesizes the RNA primer for Okazaki fragments? DnaG [other wrong options] [Discuss in forum] |
| Q12 ⇒ DNA replication rates in prokaryotes are approximately of the order of 1,000 bases per second [other wrong options] [Discuss in forum] |
| Q13 ⇒ The enzyme that catalyzes the synthesis of DNA is called DNA polymerase [other wrong options] [Discuss in forum] |
| Q14 ⇒ Which of the following repairs nicked DNA by forming a phosphodiester bond between adjacent nucleotides? DNA ligase [other wrong options] [Discuss in forum] |
| Q15 ⇒ During DNA replication in prokaryotes, synthesis begins on the circular chromosome always at the same place [other wrong options] [Discuss in forum] |