The film explores the structure and function of plant ... cells using a microscope. It begins with observing onion cells, highlighting their components such as the cell wall, nucleus, and vacuoles.

This makes a big vacuole more effective at volume expansion. Gilroy, S. & Trewavas, A. Signal processing and transduction in plant cells: the end of the beginning? Nature Reviews Molecular Cell ...

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 ...