Question

What is a difference between prokaryotic and eukaryotic cells?

A. Eukaryotic cells do not have membrane-bound organelles, but prokaryotic cells do.
B. Organisms with eukaryotic cells are always multicellular, but organisms with prokaryotic cells are not.
C. Prokaryotic cells do not have a nucleus, but eukaryotic cells do.
D. Prokaryotic cells always have cell walls, but eukaryotic cells do not.

Answer 1

Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions.

Answer 2

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Prokaryotic Cells

• Size is 0.1- 5.0 um.
• Nucleus is absent.
• Membrane bound nucleus absent.
• One chromosome is present, but not true chromosome plastids.
• Unicellular.
• Lysosomes and Peroxisomes absent.

Eukaryotic Cells

• Size is 5-100 um.
• Nucleus is present.
• Membrane bound Nucleus is present.
• More than one number of chromosomes is present.
• Multicellular.
• Lysosomes and Peroxisomes present.