BRAINCAKEDNA
Prokaryotic DNA and Eukaryotic DNA are essentially the same - a double-helix - but packaged differently.
Prokaryotes have one chromosome - a single circular loop of DNA supercoiled around proteins to make it compact.
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Key terms in this lesson
- prokaryotic cell
- A cell with no nucleus or membrane-bound organelles, found in bacteria.
- eukaryotic cell
- A cell with a nucleus and membrane-bound organelles, found in animals, plants, fungi and protoctists.
- chromatin
- The complex of DNA loosely coiled around histone proteins found in the nucleus between cell divisions.
- gene
- A length of DNA that codes for a specific polypeptide.
More in Cell Structure
- Cellulose Cell Wall
- Vacuole
- Chloroplasts
- Prokaryotic Cells
- Ribosomes
- Cell Wall
- Flagella
- The Theory of Endosymbiosis
All 26 lessons in Cell Structure · All OCR AS-level Biology topics