NEET2003BotanyBiological ClassificationActual
Chromosomes in a bacterial cell can be 1-3 in number and:
Options
- Aare always circular
- Bare always linear
- Ccan be either circular or linear, but never both within the same cell
- Dcan be circular as well as linear within the same cell
Correct answer
A. are always circular
Step-by-step solution
Prokaryotic cells contain their chromosome as circular entity. Usually, the entire genome is a single molecule of circular DNA but often the number may vary up to three. Related Theory Bacterial chromosomes and plasmids are double-stranded circular DNA molecules and are often referred to as covalently closed circular DNA, or cccDNA.