Photosynthesis: Purple Bacteria - Photosynthesis Without Oxygen

Synopsis: A sample of purple red bacteria is collected and placed in an air-tight culture flask. Using cinemicroscopy various experiments on the bacteria are shown. Chromatium and thiospirallum are examined. Photosynthesis is shown by various methods including a light slit. Avoidance of oxygen is demonstrated by cells in culture. This includes the introduction of a thread of green alga. Hans Molisch’s experiment proving that anoxygenic photosynthesis takes place in purple bacteria is presented schematically.
Language: English
Country: Germany
Medium: Film; Video; Film. 16mm. sd. col. 7 min. Videocassette. VHS. col. 7 min.
Technical information: Black-and-white / Sound
Year of production: 1972-3
Availability: Hire (film - HEFVL)
Sale (video - BUFVC)
Uses: Explanation of taxis; introduction to bacterial photosynthesis.*
Subjects: Biology
Keywords: photosynthesis

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