#Question id: 3679
#XL - S Microbiology
A mutation in an E. coli cell becomes active half-way through a round of replication. The cell completes the round of replication normally but then cannot start a second round. Which protein could be mutated?
#Question id: 3680
#XL - S Microbiology
If DNA polymerase I were mutated so that all its enzymatic activities were inactive, which part of replication would be most affected?
#Question id: 3681
#XL - S Microbiology
A mutated E. coli cell carries out and completes DNA replication, but the lagging strands are found to contain more errors than normal. These errors are not found evenly distributed throughout the lagging strands, but are found in clusters. Which enzymatic activity is missing from this cell?
#Question id: 3682
#XL - S Microbiology
A mutated strain of E. coli replicates DNA normally at 25°C, but replication stops immediately when the temperature is raised to 37°C. Which protein is likely to be non-functional at the higher temperature?
#Question id: 3683
#XL - S Microbiology
In some viruses, RNA serves as the storage of genetic materials and DNA is synthesized from RNA by the enzyme known as:
#Question id: 3684
#XL - S Microbiology
Which of the followings are the characteristic feature of DNA replication?