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renal artery
Detect electric charges and determine polarity
1 Trolley comes with spring and another without spring
the apparatus includes a wood rod for comparison
Durable Construction: Made with high-quality materials
Gagnon's Potometer renal arteryFor the demonstration of transpiration rates and rates of water absorption by a cut shoot under various external conditions. The whole apparatus is filled with water and a plant shoot is sealed into a stopper which fits the end tube. The open end of the capillary tube, which is graduated in millimeters, is placed into a beaker of water. An air bubble is generator by dipping the graduated tube out of and back into a beaker of water. The air bubble can
US$ 10.90
US$ 93.80
US$ 135.00
