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Worksheets14 Bacterial Genetics - MicroCore Review Center
Total questions: 10
Worksheet time: 5mins
Which of the following is the main polymerizing enzyme in DNA replication?
RNA polymerase
DNA polymerase
DNA ligase
Primase
What is the enzyme that is used to seal breaks in the phosphate backbone of DNA?
Restriction endonuclease
DNA polymerase
Reverse transcriptase
DNA ligase
Which of the following refers to an adenine to guanine substitution?
Transition mutation
Transversion mutation
Deletion
Insertion
Which of the following results in a +1 frameshift mutation?
Deletion
Silent mutation
Insertion
Missense mutation
Which of the following events results in spontaneous mutation?
Action of mobile genetic elements
Error in DNA replication
Head-on collisions of replisome
All of the aforementioned choices
Which base substitution mutation results in a truncated protein?
Silent
Nonsense
Missense
Neutral
Intercalating agents cause mutations by
Modifying bases in situ
Adding alkyl residues to bases
Inserting between base pairs
Replacing normal bases
Transformation is a type of horizontal gene transfer mechanism wherein an exogenous DNA enters a competent cell
TRUE
FALSE
The RNA polymerase of eukaryotes are more structurally similar to bacteria than in archaea.
TRUE
FALSE
Prokaryotes can start translation before transcription is complete.
TRUE
FALSE
