Activity


Characteristic Prokaryote Plant Animal
Cell membrane Single or Double Single Single
Cell wall Yes, some not Yes No
Size 1 micrometer 10-100 micrometer 10-100 micrometer
Nucleus Membrane absent Double membrane Double membrane
DNA .=0.6x10^6 to 5x10^6 8x10^7 to 1x10^11 1.5x10^9 to 6x10^9
Chromosomes Single circular Multiple linear Multiple linear
Cytoskeleton Absent Present Present
Cytoplasmic Organelles Absent Present Present
Mitochondria Absent Present Present
Chloroplast Absent Present Absent
Vacuole Absent Present Absent
Peroxisomes Absent Present Present
Lysosomes Absent Present Present
Golgi Absent Present Present
Endoplasmic Reticulum Absent Present Present
Ribosomes 70S 80S
70S in chloroplast & mitochondria
80S
70S in mitochondria
Multicellular No Most yes, some not Most yes, some not