DNA Replication part 2

DNA replication process is explained in this lecture, learn it at home and Answer me
1. What is Replicon?
2. Which Enzyme have high processivity for DNA Replication in E. coli?
3. What is Function of Primase Enzyme?

Link to Video: 
Semester: 
5
Unit: 
2
Subject: 
MICROBIOLOGY
Paper: 
1