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Elodea, Respiration & Manometers
Elodea leaf 40 x Elodea leaf 100 x
Elodea leaf 40 x Elodea leaf 100 x
Manometer top assembly
Manometer assembled and placed in test tube rack
Manometer with syringe plunger drawn back so that pipet reading begins at .1
Manometer after ten minutes; note water line has moved forward by 0.02 mL
Manometer before pulling back syringe plunger Manometer showing beginning volume of 0.00 mL (at 0.1 position on pipet)
Two manombers: left = control with 1.5% sodium bicarbonate, right = with 1.5% sodium bicarbonate and a sprig of elodea
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