How is a prokaryotic cell different from a eukaryotic cell?
Answers
Explanation:
Difference between Prokaryotic and Eukaryotic Cells
Though these two classes of cells are quite different, they do possess some common characteristics. For instance, both possess cell membrane and ribosomes, but the similarities end there. The complete list of differences between prokaryotic and eukaryotic cells are summarized as follows:
Prokaryotes Eukaryotes
Type of Cell Always unicellular Unicellular and multi-cellular
Cell size Ranges in size from 0.2 μm – 2.0 μm in diameter
Size ranges from 10 μm – 100 μm in diameter
Cell wall Usually present; chemically complex in nature
When present, chemically simple in nature
Nucleus Absent. Instead, they have a nucleoid region in the cell
Present
Ribosomes Present. Smaller in size and spherical in shape Present. Comparatively larger in size and linear in shape
DNA arrangement Circular Linear
Mitochondria Absent Present
Cytoplasm Present, but cell organelles absent Present, cell organelles present
Endoplasmic reticulum Absent Present
Plasmids Present Very rarely found in eukaryotes
Ribosome Small ribosomes Large ribosomes
Lysosome Lysosomes and centrosomes are absent Lysosomes and centrosomes are present
Cell division Through binary fission Through mitosis
Flagella The flagella are smaller in size The flagella are larger in size
Reproduction Asexual Both asexual and sexual
Example Bacteria and Archaea Plant and Animal cell
Answer: Comparing prokaryotes and eukaryotes
The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.
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