Lower leaf cells are broadly rectangular, thin-walled, and often bulging.
Evidence of their presence is silvering of leaves where the mites have destroyed individual leaf cells.
Heat from the sun provides the energy for evaporation, causing the leaf cell to lose water.
Cohesion, the force holding the water molecules together, causes more water to move into the leaf cells from the xylem.
Thus an unbroken column of water extends in the tree from the root cells to the leaf cells.
In some leaves, this unmasks yellow pigments that have always been present in the leaf cells.
Chlorophyll is mostly found in leaves, inside plastids, which are inside the leaf cells.
For plants to photosynthesise and produce sugars in their leaf cells, they need to absorb large amounts of carbon dioxide.
After entering the plant via the leaves, virus remains in the leaf cells for 8 days.
Indoors, the light-gathering material in the leaf cells turns to offer the maximum surface area to the limited light.