In an ATP-dependent reaction, Topoisomerase I
A) makes a double-strand break in DNA
B) uses the hydroxyl group of a serine to break the DNA backbone
C) forms a covalent phosphotyrosine linkage with DNA
D) uses the energy from the terminal phosphates released during replication to cleave a single strand of DNA
Correct Answer:
Verified
Q4: Discontinuous synthesis of DNA takes place on
A)
Q5: Phosphodiester bonds are formed between adjacent Okazaki
Q6: During DNA replication, DNA ligase is most
Q7: A laboratory technique called "nick translation," in
Q8: The bacterial multi-protein macromolecular complex that simultaneously
Q10: Which enzyme creates a double-strand DNA break
Q11: Topoisomers can be physically separated by
A) CsCl
Q12: Which statement is not correct?
A) Eukaryotic chromosomal
Q13: Once bound to an origin of replication,
Q14: Positive supercoils ahead of the replication fork
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