Chlorophyll

Uses models, electron photomicrographs and live seedlings to show various aspects of photosynthesis. Explains the composition and structure of carotenes in photosynthesis and shows pigments present in chloroplasts., Defines the role of chlorophyll in the production of food through photosynthesis. Examines the cholorplastid with its granulae and lamellae as seen through electromicroscopic photographs and models. Separates different types of molecules found in chlorophyll through paper chromatography. Describes the chlorophyll molecule as a light trap and relates it to a molecule of hemoglobin. Pictures models of chlorophyll, carotene, and aeaxanthin. Views plant needs for the manufacture of chlorophyll and mentions chlorophyll's role in the change of color of leaves. Explains the visible spectrum and associates it with the change of color of leaves. Explains the shade tolerance in green plants.NOTE: Two (or more) records have been merged together to create this data.