Learning Objectives
- Describe the difference between eukaryotic and prokaryotic cells.
- Compare the structures of plant, animal, and bacteria cells.
- Describe the functions of the organelles in cells.
💡 Starter Activity
What is a cell?
Suggested Answer:
A cell is the basic building block of all living organisms.
Prokaryotic Cells
"Pro" (Before) + "Kary" (Nucleus)
Prokaryotic cells are simple unicellular organisms. They do not have a nucleus or membrane-bound organelles.
Plasmid
Small loops of extra DNA found in many bacteria.
Flagellum
A tail-like structure that enables the bacterium to move.
Capsule
Protects the cell from being destroyed by white blood cells.
Eukaryotic Cells
"Eu" (True) + "Kary" (Nucleus)
Animal Cell
Plant Cell
Organelle Reference Guide
Click an organelle to see its function
Select an organelle above to view its function...
Comparison
- • Membrane nucleus
- • Multicellular
- • Mitochondria
- Exposed DNA •
- Unicellular •
- Plasmids •
BOTH HAVE:
- DNA
- Cell Membrane
- Cytoplasm
- Ribosomes
🏅 Progress Check
1. Describe the difference between prokaryotic and eukaryotic cells and state an example of each (3 marks).
2. Compare a plant and animal cell (4 marks).
3. Compare a plant and a bacteria cell (4 marks).
4. Match the organelles to their correct functions (11 marks).