Lesson 32: Chromosome Replication

Question 1

How do prokaryotic chromosomes & plasmid duplicate - 4 steps, draw

Answer 1

1. Starts with a single ori
2. Ori makes 2 replication fork
3. DNA replication
4. Finishes when replication forks meet

Slide 7-8

Question 2

Mitochondria & Plastid (chloroplast) chromosomes replication - # of ori & replication fork

Answer 2

One ori

2 replication fork

Question 3

Nuclear chromosome replication - 4 steps, draw

Answer 3

1. Start at many ori
2. Each make 2 replication forks
3. DNA replication
4. Finishes what all replication forks meet and reached ends of chromosomes

Slides 17-18

Question 4

Telomeres - what are they, what replicates them

Answer 4

Ends of linear chromosomes

Telomerase replicates them

Question 5

Draw summary of nuclear chromosome

Answer 5

Slide 15