Question 1

The Meselson-Stahl experiments used 35S radioisotopes to determine the mechanism of DNA
replication.

Accepted Answer

A) True 
 B)False

Question 2

The problem is synthesizing the 3' end of chromosomes is solved by the use of the telomerase enzyme.

Accepted Answer

A) True 
 B)False

Question 3

The synthesis of the daughter strand of DNA occurs away from the replication fork in the leading
strand.

Accepted Answer

A) True 
 B)False

Question 4

How many DNA polymerases are found in prokaryotes?

Accepted Answer

A)  5 
B)  7 
C)  9 
D)  12

Question 5

After the action of the helicase, single-stranded binding proteins keep the parental DNA strands from
reforming a double-helix.

Accepted Answer

A) True 
 B)False

Question 6

Lesion-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 7

The first generation 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 generation to disprove the theory

Question 8

DNA polymerase is a primer-dependent enzyme that functions only in the 5'-3' direction. These are the two most fundamental concepts to understanding this enzyme. Based on this, which of the following enzyme pairs are analogous in prokaryotes and eukaryotes?

Accepted Answer

A)  DNA pol I : DNA pol a 
B)  DNA pol II : DNA pol b 
C)  DNA pol III : DNA pol g 
D)  All of the answers are correct

Exam 11: Dna Replication

The Meselson-Stahl experiments used 35S radioisotopes to determine the mechanism of DNA replication.

The problem is synthesizing the 3' end of chromosomes is solved by the use of the telomerase enzyme.

The synthesis of the daughter strand of DNA occurs away from the replication fork in the leading strand.

How many DNA polymerases are found in prokaryotes?

After the action of the helicase, single-stranded binding proteins keep the parental DNA strands from reforming a double-helix.

Lesion-replicating polymerases are .

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

DNA polymerase is a primer-dependent enzyme that functions only in the 5'-3' direction. These are the two most fundamental concepts to understanding this enzyme. Based on this, which of the following enzyme pairs are analogous in prokaryotes and eukaryotes?