Photosynthesis experiment

Bildnummer 11613811
Photosynthesis experiment
MODEL RELEASED. Photosynthesis experiment. Student carrying out an experiment to investigate photosynthesis. The vials have been filled with water and algal balls,made from a mixture of algae and sodium alignate (a gum extracted from brown algae). A bicarbonate indicator has been added that changes colour as the pH changes due to the production of carbon dioxide during photosynthesis. The vials are then placed in various conditions,such as in different light intensities and in the dark,along with a control with no indicator used. The colour changes allow deductions to be made about how light levels influence photosynthesis
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library
Bildgröße: 4250 px × 4250 px
Modell-Rechte: vorhanden
Eigentums-Rechte: nicht erforderlich
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