Sunlight
sunlight...........
Photons of light.
A plant palisade cell is specialized for photosynthesis and is elongated to maximize light absorption. It contains a high number of chloroplasts for photosynthesis and is located near the upper surface of the leaf to receive maximum sunlight.
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sun light
Palisade cells are placed all over the top of a leaf, maximising the extent of light absorption. They contain chloroplasts which convert energy stored in photons to chemical energy using photosynthesis.
Dicot leaves are generally dorsiventral, having palisade cells on the upper surface of the leaf which receives light, and lower surface has spongy parenchyma for gaseous exchange with several stomatal pores. The palisade cells are columnar with large number of chloroplasts to trap maximum light.
The portion of the leaf between the upper and lower epidermis is called the mesophyll. It is where photosynthesis primarily takes place, with the palisade mesophyll located closer to the upper surface for maximum light absorption and the spongy mesophyll situated beneath for gas exchange.
It has a large surface area for maximum absorption.
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Palisade cells are elongated and packed with chloroplasts containing chlorophyll, maximizing the surface area available for light absorption. Their vertical orientation near the upper surface of the leaf allows them to receive more light for photosynthesis. This adaptation helps palisade cells efficiently trap light energy to produce sugars through photosynthesis.
The long, cylindrical shape of a palisade cell allows for maximal exposure to light in order to facilitate photosynthesis. This shape also provides a large surface area for absorption of carbon dioxide and optimal placement of chloroplasts for efficient production of glucose.