devuce an activity to show that carbon dioxide is produced in respiration
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Suspend a small test tube containing 20% potassium hydroxide. Dip the free end of the bent tube in a beaker of coloured water. ... Carbon dioxide released during the aerobic respiration is absorbed by potassium hydroxide and creates a vacuum and causes rise of water in the bent tube.
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Protoplasm is the content of the cell including the cell membrane, cytoplasm and the cell nucleus whereas cytoplasm is the jelly like substance surrounding the nucleus within the cell membrane. The cytoplasm contains the cell organelles like mitochondria, ribosomes etc.
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