What is one major difference between bacterial and eukaryotic DNA replication?
- A
Bacteria replicate DNA only in mitochondria.
- B
Bacteria use RNA primers; eukaryotes do not.
- C
Eukaryotes lack DNA polymerases entirely.
- Dcheck_circle
Bacteria have a single origin per circular chromosome; eukaryotes have many origins per linear chromosome to finish replication on time.
Explanation
Because eukaryotic chromosomes are large and linear, replication is initiated from many origins simultaneously to complete S phase in a reasonable time. Bacterial circular chromosomes typically use a single origin (oriC).