WorksheetsQuick 10Q: DNA Replication
Total questions: 10
Worksheet time: 5mins
Which of the following enzymes is responsible for synthesizing the new DNA strand?
DNA polymerase
Helicase
Primase
DNA ligase
What is the difference between leading and lagging strands?
DNA is synthesized in a 5' to 3' direction on the lagging strand and a 3' to 5' direction on the leading strand
DNA is synthesized in a 3' to 5' direction on the lagging strand and a 5' to 3' direction on the leading strand
DNA is synthesized continuously on the leading strand and discontinuously on the lagging strand
DNA is synthesized discontinuously on the leading strand and continuously on the lagging strand
Which of the following enzymes is responsible for joining the Okazaki fragments?
DNA polymerase
Helicase
Primase
DNA ligase
Which of the following explains the base pairing rules?
G pairs with T with 3 hydrogen bonds and A pairs with C with 2 hydrogen bonds
G pairs with T with 2 hydrogen bonds and A pairs with C with 3 hydrogen bonds
A pairs with T with 2 hydrogen bonds and G pairs with C with 3 hydrogen bonds
A pairs with T with 3 hydrogen bonds and G pairs with C with 2 hydrogen bonds
Which of the following enzymes is responsible for breaking the hydrogen bonds between nucleotides?
DNA polymerase
Helicase
Primase
DNA ligase
Which of the following explains why DNA polymerase requires primase for synthesis of a new strand?
DNA polymerase requires an open 3' end
DNA polymerase requires an open 5' end
DNA polymerase requires ATP
DNA polymerase requires a promoter
Which of the following describes the 5' end?
phosphate attached to the pentose sugar
hydroxyl attached to the pentose sugar
nitrogenous base attached to the pentose sugar
the next nucleotide attached to the pentose sugar
Which of the following describes how DNA replication differs between a prokaryotes and eukaryotes?
Prokaryotes have circular DNA requiring one origin of replication while eukaryotes have multiple origins on linear DNA
Prokaryotes have linear DNA requiring one origin of replication while eukaryotes have multiple origins on circular DNA
Prokaryotes have circular DNA requiring multiple origins of replication while eukaryotes have one origin on linear DNA
Prokaryotes have linear DNA requiring multiple origins of replication while eukaryotes have one origin on circular DNA
Which of the following describes why there is a leading and lagging strand in DNA replication?
DNA is antiparallel
DNA is negatively charged
DNA has a phosphate group
DNA has hydrogen bonds
Which of the following strands would be more stable at a higher temperature?
AATTAATTAATT
CCGGCCGGCCGG
ATCGATCGATCGAT
CGATCGATCGATCG
