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The Development of Etioplasts in Seven Day Old Barley Seedlings After Exposure to White Light. The Etioplasts Had Been Cultured in The Dark.


a. Prolammellar body within an etioplast. b. Tube transformation: prolammellar body after a one minute exposure to light.


c. Dispersion of the prolamellar body within the primary layer of lamellas. One minute of light exposure after 15 minutes darkness. d. Formation of grana after 24 hours of continuous light exposure. e. Granum of a fully differentiated chloroplast. (K. W. HENNINGSEN, J. E. BOYNTON, O. F. NIELSEN and D. von WETTSTEIN, 1985).

© Peter v. Sengbusch - b-online@botanik.uni-hamburg.de