The diagram shows a laboratory fermenter - Edexcel - GCSE Biology - Question 2 - 2016 - Paper 1
Question 2
The diagram shows a laboratory fermenter.
A student used the fermenter to investigate the effect of pH on the growth of yeast cells.
(a) Before being used, the emp... show full transcript
Worked Solution & Example Answer:The diagram shows a laboratory fermenter - Edexcel - GCSE Biology - Question 2 - 2016 - Paper 1
Step 1
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
The killing of unwanted microorganisms is an D aseptic precaution.
Step 2
State two conditions that should remain constant during the investigation.
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