University Of California Santa Barbra

1. Obtain a sprig of elodea. Remove several leaves from around the cut end of the stem. Slice off a portion of the stem at an angle and lightly crush the cut end of the stem. 2. Place the sprig in a test tube, cut side up. Add water to test tube and a pinch of baking soda. 3. Place the test tube into a beaker filled with tap water. 3. ................
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