Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Which enzyme forms phosphodiester bonds between nucleotides?
DNA polymerase
DNA helicase
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Which bonds are broken to separate the DNA strands?
hydrogen bonds
phosphodiester bonds
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Which direction does DNA polymerase new DNA strands in?
5' to 3'
3' to 5'
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Okazaki fragments are joined together by the enzyme DNA .
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Which strand is continuously synthesised in DNA replication?
leading strand
lagging strand
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In a DNA helix, the strands are , meaning they run in opposite directions.
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Each new DNA molecule contains:
one original strand and one new strand
two original strands
two new strands
no original strands
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Which enzyme catalyses the condensation reactions that join the nucleotides of the new DNA strands together?
DNA helicase
DNA polymerase
DNA ligase
DNA primase
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What ensures that free-floating DNA nucleotides are attracted to their complementary exposed bases on each original template strand?
complementary base pairing
covalent bonding
ionic bonding
hydrogen bonding
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What is the process called when DNA copies itself before cell division?
semi-conservative replication
conservative replication
complementary replication
non-conservative replication
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