1. Bacteria and yeast

2. A single bacterium

3. Difference between animal and plant cells
Look at your bacterium
How many differences can you see between animal/plant cells and a bacterial cell?
List the similarities and differences
Bacteria are prokaryotes

4. Yeast cells
What do they look like?
What do we know about yeast?

5. Yeast cells
Yeast cells are traditionally used in baking and brewing. This is because yeast can respire anaerobically in a process called fermentation
Yeast will respire aerobically if they have enough oxygen
Yeast cells reproduce asexually by a process called budding

6. What is the yeast doing? Why is fermentation useful? carbon dioxide
glucose
carbon dioxide
ethanol
energy
This is called fermentation
Why is fermentation useful?