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Rolling Circle Mechanisms of Replication

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






1The free 3'OH end is
A)made into a tail of single-stranded DNA that extends from the circle
B)converted to double-stranded DNA by RNA primer
C)unaffected by the replication process
D)extended by DNA polymerase



2The 5' end
A)is extended by DNA polymerase
B)forms a tail of single-stranded DNA that extends from the circle
C)is double-stranded DNA that replicates into two double-stranded DNA sets
D)remains unchanged



3In the rolling circle method of replication
A)the 5' tail of DNA is nicked
B)RNA is nicked
C)one strand of DNA in the circle is nicked
D)both strands of DNA in the circle are nicked



4The rolling circle method of reproduction is used in the reproduction of certain viruses.
A)True
B)False



5The 5' end with the single-stranded DNA tail is converted to double-stranded DNA using RNA primers.
A)True
B)False







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