B4 12 using anaerobic respiration

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Using anaerobic respiration

Learning outcomes

Describe the process of anaerobic respirationDescribe animal, plant and microbial cell structures and how they are involved in respiration

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Carbon dioxide, a by-product of the respiration of yeast, has caused these loaves of bread to rise.

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Anaerobic respiration produces some useful products

BiogasAlcohol biotethelene

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Yeast cells take sugars and convert them into ethanol during the process of fermentation.

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Anaerobic respiration in bacteria and fungi

Glucose alcohol + carbon dioxide

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yeast cells take sugars and convert them into ethanol during the process of fermentation.

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Methanogen bacteria in biogas fermenters produce methane gas during anaerobic respiration

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Suggest substances as labels for each arrow

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A biogas biodigester.

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What are enzymes?How do they relate to production of biofuels?

* You should be able to identify some of the uses of bacteria and yeast and the equation for anaerobic respiration in these organisms, how is it different from the anaerobic respiration used in human tissues?