Prokaryotes, Eukaryotes and Levels of Organization

Which is true of prokaryotic and eukaryotic cells?

• Prokaryotic cells are larger than eukaryotic cells.
• Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
• Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
• Eukaryotic cells are simpler than prokaryotic cells.

Which do BOTH prokaryotes and eukaryotes contain?

• nucleus

• mitochondria

• ribosomes

• cell wall

Which does only eukaryotic cells contain?

• nucleus

• DNA

• cell membrane

• ribosomes

Prokaryotic cells do not have…….

• membrane bound organelles

• cell membrane

• DNA or RNA

• life

Which of the following is not a characteristic of a Prokaryotic cell?

• unicellular
• floating DNA
• very small
• complex

A fossilized cell is discovered, and evidence suggests it reproduced on its own and had DNA, but a membrane did not enclose its DNA. Which type of organism would this most likely be?

• prokaryote
• eukaryote
• plant cell
• animal cell

Which of the following structures is ALWAYS found in both eukaryotic and prokaryotic cells?

• nucleus

• mitochondria

• ribosomes

• cell wall

Which cell type tends to be smaller?

• Prokaryote

• Eukaryote

• there is not a size difference

Bacteria is an example of a(n)

• prokaryotic cell.

• eukaryotic cell.

CHALLENGE QUESTION: Which of the following provides evidence for the hypothesis that prokaryotes evolved before eukaryotes.

• prokaryotes are more complex

• prokaryotes have no nucleus and fewer genes

• eukaryotes are multicellular which makes them simpler

• prokaryotes grow into eukaryotes