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Edexcel Biology B3 GCSE > Biotechnology: Fermenters > Flashcards

Biotechnology: Fermenters Flashcards

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1
Q

What is fermentation?

A

The process by which microorgansims take in food from the environment as an energy source and excrete waste substances, changing substances in the surrounding medium over time

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2
Q

Give the word equation for the fermentation of sugar, using yeast

A

Sugar= ethanol + Carbon dioxide

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3
Q

What is a fermenter?

A

A controlled environment that provides ideal conditions for microorgansims to live, feed and reproduce

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4
Q

What are the conditions of a fermenter?

A

Sterile conditions, nutrients, an optimum temperature, the correct pH level, oxygenation, agitation (stirring)

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Edexcel Biology B3 GCSE (6 decks)

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