1. Living Factories Unit 7 - Biotechnology

2. Saccharomyces cerevisiae YEAST!!!

5. Looking at Yeast

7. Do you remember the difference between aerobic and anaerobic respiration?

16. Glucose + oxygen carbon dioxide + water + energy Glucose carbon dioxide + ethanol + energy Oxygen never required Oxygen always required Inefficient method of respiration Efficient method of respiration Sugar completely broken down to carbon dioxide and water Only releases a small amount of energy Glucose reacts in the mitochondra of cells Much of the energy remains locked up in the molecules of the end product

17. Breadmaking

22. 4. Kneading the dough

23. 5. Leaving the mixture to rise Mixture left in warm place covered by damp cloth

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