Biology · May / June 2019 · Paper 12 · Question 27
5090Biotechnology
Waste products from microorganisms are used in the production of bread and yoghurt. Which waste products from microorganisms are used in these two processes?
- Abread-making: carbon dioxide; yoghurt production: carbon dioxide
- Bbread-making: carbon dioxide; yoghurt production: lactic acid
- Cbread-making: lactic acid; yoghurt production: carbon dioxide
- Dbread-making: lactic acid; yoghurt production: lactic acid
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Correct answer: B. bread-making: carbon dioxide; yoghurt production: lactic acid
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