Match numbers 1-4 

1. Linear DNA molecule

2. The S phase of the cell cycle

3. Replication starts binary fission

4. Elongation of the polynucleotide strand

What matches which number?

a) prokaryotic cell b) nucleus of eukaryotic cell c) mitochondrion d) replication

Bacterial chromosomes contain all of the following except

a structural genes.

b intergenic regions.

c repetitive sequences.

d. multiple origins of replication

2.Match the description with the type of genome.
1. Can have multiple linear chromosomes. prokaryotic or eukaryotic
2. One origin of replication. prokaryotic or eukaryotic
3. Usually consists of one chromosome, which is circular. prokaryotic or eukaryotic
4. Multiple origins of replication. eukaryotic or prokaryotic
5. Located in the cytoplasm. eukaryotic or prokaryotic
6. Located in the nucleus. eukaryotic or prokaryotic

1.When does DNA replication occur in the life of a prokaryotic cell? When does it take place in the life of a eukaryotic cell? Is it always for the same purpose?

2.What proteins are necessary for DNA replication and what are their functions?

3.What is an origin of replication? How does it differ in prokaryotes and eukaryotes?

4.Why are primers needed and how are they made? What is lagging strand synthesis and why is it necessary?

5.What is the difference between a replication fork and a replication bubble?