The diagram shows an experiment to investigate the respiration of yeast. Oil prevents oxygen entering the glucose and yeast suspension.
If no oxygen is present in the glucose and yeast suspension, what will occur?
1 )
Ethanol will be produced and the limewater will stay clear.
Ethanol will be produced and the limewater will go cloudy.
3 )
Lactic acid will be produced and the limewater will stay clear.
4 )
Lactic acid will be produced and the limewater will go cloudy.
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