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To test the hypothesis that respiration uses stored food.
Member rating: No Rating | Words: | Submitted: Mon Sep 08 2003
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Investigating Respiration Investigation 1:To test the hypothesis that respiration uses stored food. 1. The dry mass and not the wet mass of the beans was measured because water would add to the weight and would distort the results. As water is created during respiration, getting rid of the water will show if the water is used. 2. You would find the dry mass of a bean seedling by, after removing the bean from the cotton wool, drying it. By placing it in the oven it will not burn it to a crisp but merely dry out. After it has been done once and weighed, it must be done again and again until two successive results are the same. 3. If the seeds had been kept in the light rather than in the dark, they would have germinated, and that would have affected the results, as the seedlings would have grown. 4. The results of the...
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