Bordered pits are cavities in the thick secondary cell walls of both vessels and tracheids that are essential components in the water-transport system of higher plants. The pit membrane ...
It carries water for photosynthesis to the mesophyll cells: the upper layer of cells where photosynthesis mostly takes place in the leaves. The water carries essential mineral salts dissolved in ...
Alfred hears the word ‘transport’ and begins explaining transport system in plants. Alfred explains the importance of water for photosynthesis and that is it taken into the plant via the roots.
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