Animal cell:organelles: nucleus, ribosomes, mitochondria, cytoplasm and cell membrane size: Most are 5 μm – 100 μmPlant cell: organelles: nucleus, ribosomes, mitochondria, cytoplasm ,cell membrane, chloroplast, permanent vacuole and cell wall ( made out of cellulose)size: Most are 5 μm – 100 μmBacteria:organelles: free chromosomal DNA, free plasmid DNA, ribosomes, cytoplasm , cell membrane and cell wall (not made out of cellulose)size: Most are 0.2 μm – 2.0 μm