Nucleus: nuclear envelope, nucleolus, chromatin
Central vacuole: prominent organelle in older plant cells; functions include storag, breakdown of waste products, hydrolysis of macromolecules; enlargement of vacuole is a major mechanism of plant growth
Tonoplast: membrane enclosing the central vacuole
Cytoskeleton: microfilaments, microtubles, intermediate filaments.
Chloroplast: photosynthetic organelle; converts energy of sunlight to chemical energy stored in sugar molecules
Plasmodesmata: channels through cell walls that connect the cytoplasms of adjacent cells
Wall of adjacent cell
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Ribosomes
Cell wall: outer layer that maintains cell's shape and protects cell from mechanical damage; made of cellulose, other polysaccharides, and protein
Golgi apparatus
Centrosome: region where the cell's microtubles are initiated; lacks centrioles in plant cells
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