​- Unicellular = one celled organism

- Multicellular = more than one celled organism​

Single-celled organism vs multi-celled organism

• No true nucleus (Pro rhymes with no)

• Contains DNA

• Is a single-celled organism​

​

​

Prokaryotes​

• blue-green algae

• bacteria

• mycoplasma

​Examples of prokaryotes

​

• Bacteria are prokaryotic cells

• Bacteria are classified according shape

• Bacteria are round (coccus), rod (bacillus) or spiral shaped (spirillum)

​

​bacteria

​

• True nucleus (Eu rhymes with True)

• DNA is inside a membrane

• Contains other membrane-bound organelles

​

eukaryotes

​

• Animal Cells

• Plants Cells​

Examples of eukaryotes