Photosynthesis

Chlorophyll Function And Structure

Chlorophyll The chlorophyll molecule has a porphyrin-ring like structures (head) with a magnesium atom in the center and a long hydrophobic hydrocarbon tail that anchors it in photosynthetic membrane. The porphyrin ring (head) is a flat, square structure containing four smaller rings (I-IV), each possessing a nitrogen atom which can bond with magnesium atom. Head: The head is hydrophilic and ...

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Photosynthesis

Photosynthesis Autotrophic organisms such as green plants, algae and cyanobacteria (photosynthetic bacteria) make their own organic nutrients from simple inorganic nutrients (water, carbon dioxide and minerals) and radiant energy in a process called photosynthesis. The radiant energy is converted into chemical energy of specific organic compounds, mainly sugars and starch, amino acids and lipids. Oxygen is released as by product. ...

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Discovery of Photoperiodism in Plants

Photoperiodism is the response of a plant to the relative length of light and dark periods to produce flower. The relative length of day and night to which a plant is exposed is called the photoeriod. Photoperiodism is a photobiological process – a process that involves absorption of light by a receptor (usually a pigment) that results in activation of ...

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