Wednesday 30 November 2011

Microorganisms Can Breathes

Way To Show That Yeast Can Breathes

Step:
  1. All the ingredients are mixed.
  2. The mixture put in the test tube.
  3. Cover the test tube with the balloon.
  4. Observe what will happen to the balloon.
Materials  : Balloon, Yeast, water, bottle and sugar.


Observation? Conclusions?

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