Filters
Question type

Study Flashcards

Which of the following is NOT a reason for the high fidelity of the newly synthesized DNA molecule?


A) The hydrogen bonding between purines and pyrimidines is stable.
B) The DNA polymerase is unlikely to form bonds between nucleotides if they are mismatched.
C) The DNA polymerase has exonuclease functions.
D) The DNA polymerase has the ability to change the structure of the base in order to form the correct bond.

E) B) and D)
F) B) and C)

Correct Answer

verifed

verified

What types of mutants were essential to the discovery of new replication enzymes?


A) Gain-of-function mutations
B) Lethal mutations
C) Temperature-sensitive mutations
D) None of the answers are correct

E) A) and D)
F) None of the above

Correct Answer

verifed

verified

Which of the following stops the replication of DNA in prokaryotes?


A) Tus proteins
B) DNA ligase
C) Okazaki fragments
D) The end of the chromosome

E) A) and D)
F) A) and C)

Correct Answer

verifed

verified

Okazaki fragments do which of the following?


A) Assist in forming the replication fork
B) Bind to the oriC region
C) Assist in the synthesis of DNA from the lagging strand
D) Reform the double-helix following replication
E) None of the answers are correct

F) C) and D)
G) A) and C)

Correct Answer

verifed

verified

Lesion-replicating polymerases are _________.


A) Only active in skin cells
B) Used to replicate damaged DNA
C) Used to induce genetic diversity
D) None of the answers are correct

E) None of the above
F) B) and C)

Correct Answer

verifed

verified

Manufactures a 10-12 base segment of RNA.


A) DNA ligase
B) Primase
C) Topoisomerase
D) DNA polymerase I
E) DNA polymerase III

F) C) and E)
G) None of the above

Correct Answer

verifed

verified

The origin of replication in bacteria is called OriC.

A) True
B) False

Correct Answer

verifed

verified

What was the control in Arthur Kornberg's in vitro replication experiment described in this chapter?


A) The use of radiolabeled nucleotide triphosphates
B) The exclusion of template DNA in one test tube
C) Adding perchloric acid
D) The use of
E) coli proteins

F) A) and C)
G) A) and B)

Correct Answer

verifed

verified

Showing 41 - 48 of 48

Related Exams

Show Answer