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DNA Replication Fork (Quiz 3)

View the animation below, then complete the quiz to test your knowledge of the concept.






1Helicase opens up the DNA by breaking ________ bonds between the complementary strands.
A)hydrophobic
B)hydrogen
C)phosphodiester
D)ionic
E)disulfide



2DNA polymerase can add new nucleotides to the free ________ of a nucleotide strand.
A)1' end
B)3' end
C)5' end
D)A and B
E)A, B and C



3Ligase forms a bond between
A)two segments of single stranded DNA.
B)two molecules of double-stranded DNA.
C)two segments of single stranded RNA.
D)two molecules of double-stranded RNA.
E)one segment of single stranded DNA and one segment of single stranded RNA.



4The primers required to initiate DNA replication remain in the DNA molecule after replication.
A)True
B)False



5The mechanism of DNA replication on the lagging strand is more complex than that on the leading strand.
A)True
B)False







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