Question 1

Which of the following is a restriction placed on DNA polymerase?

Accepted Answer

A)   DNA polymerase can attach new nucleotides only in the 5' to 3' direction.
B)   DNA polymerases must begin synthesis using an RNA primer.
C)   DNA polymerases must have a template strand to copy from.
D)   All of the above are restrictions of DNA polymerase.

Question 2

The first round of replication in the Meselson and Stahl experiment disproved which theory of replication?

Accepted Answer

A)   Semiconservative
B)   Conservative
C)   Dispersive
D)   None-it took more than one round to disprove the theory

Question 3

Bacterial DNA has how many origins of replication per chromosome?

Accepted Answer

A)   0
B)   1
C)   10
D)   Depends on the size of the DNA

Question 4

Translesion-replicating polymerases are ________.

Accepted Answer

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

Question 5

Attaches adjacent Okazaki fragments, forming a continuous DNA strand.

Accepted Answer

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

Question 6

DNA polymerases are unable to replicate what areas of the chromosome?

Accepted Answer

A)   Centromeres
B)   3' end of telomeres
C)   Origins of replication

Question 7

Which of the following is NOT a reason for the high fidelity of DNA synthesis of DNA Pol III?

Accepted Answer

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.

Question 8

DNA polymerase III synthesizes DNA at the rate of 300 nucleotides per minute.

Accepted Answer

A) True 
 B)False

Exam 11: Dna Replication

The first round of replication in the Meselson and Stahl experiment disproved which theory of replication?

Correct Answer
verified

Which of the following is NOT a reason for the high fidelity of DNA synthesis of DNA Pol III?

Correct Answer
verified

Which of the following is a restriction placed on DNA polymerase?

Correct Answer
verified

DNA polymerase III synthesizes DNA at the rate of 300 nucleotides per minute.

Correct Answer
verified

DNA polymerases are unable to replicate what areas of the chromosome?

Correct Answer
verified

Translesion-replicating polymerases are ________.

Correct Answer
verified

Attaches adjacent Okazaki fragments, forming a continuous DNA strand.

Correct Answer
verified

Bacterial DNA has how many origins of replication per chromosome?

Correct Answer
verified

Exam 11: Dna Replication

The first round of replication in the Meselson and Stahl experiment disproved which theory of replication?

Correct AnswerverifiedShow Answer

Which of the following is NOT a reason for the high fidelity of DNA synthesis of DNA Pol III?

Correct AnswerverifiedShow Answer

Which of the following is a restriction placed on DNA polymerase?

Correct AnswerverifiedShow Answer

DNA polymerase III synthesizes DNA at the rate of 300 nucleotides per minute.

Correct AnswerverifiedShow Answer

DNA polymerases are unable to replicate what areas of the chromosome?

Correct AnswerverifiedShow Answer

Translesion-replicating polymerases are ________.

Correct AnswerverifiedShow Answer

Attaches adjacent Okazaki fragments, forming a continuous DNA strand.

Correct AnswerverifiedShow Answer

Bacterial DNA has how many origins of replication per chromosome?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified