Key regulators of stomata are plant ... does guard cell volume increase involve expansion of a few big vacuoles instead of the collective expansion of many smaller ones? Fusion of large vacuoles ...

The structural support of a plant depends on the unique balance between two elements: the strong, flexible cell wall provides structural support, while the vacuole, a large cellular compartment ...

Plant cells have several structures not found in other eukaryotes. In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls ...