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Biology Microbes MA

Microbes and food production, AS level

QuestionAnswer
How does salting prevent microbe growth? It draws moisture from the food and prevents osmosis into bacteria cells.
How are microbes used in bread making? They're in yeast and they ferment and produce CO2 and alcohol, the CO2 makes the bread rise.
What three things do bacteria need to survive? Warmth, moisture and oxygen
What is the protein in substitute meat like quorn? Mycoprotein
Microbes are used in food production but they can also cause what? Food spoilage
Created by: SophieMai
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