Structure, function and characteristics of plant cells?

1, cell wall The main components are cellulose and pectin. It consists of three parts: private room floor, main wall and secondary wall. Function: maintain cell shape and prevent water loss.

2. Chlorophyll. Double-layer membrane, containing chlorophyll, can carry out photosynthesis.

3. Vacuoles. Monolayer membrane, the main component of liquid is water. Function: Store substances (sugar, protein, pigment, etc. ) and regulate the intracellular environment.