| Size | 0.1 - 10 micrometers
| 10 - 100 micrometers |
| Nucleus | No nucleus (nucleoid region only)
| Membrane-bound |
| Chromosome(s) | Single circular chromosome, DNA is not wrapped around histones
| Multiple linear chromosomes, DNA is wrapped in histones |
| Cell division | Binary fission
| Sexual and asexual |
| Endoplasmic reticulum | /
| Involved in protein/lipid/carb synthesis |
| Ribosomes | 70S type, smaller
| 80S type, larger |
| Mitochondria | / | Site of aerobic respiration and ATP production |
| Lysosomes | /
| Vesicles that contain digestive enzymes |
| Golgi apparatus | / | Involved in modifying proteins |
| Chloroplasts | /
| Plant cells have them - site of photosynthesis |
| Cell wall | Made of peptidoglycan | In plants made of cellulose, in fungi made of chitin |
| Flagellae | Able to rotate (motor like motion)
| Unable to rotate only whips back and forth |
| Organelles surrounded by an envelope | /
| Nucleus, mitochondria, chloroplasts |
| Examples | E. Coli
| Oocyte
|