Cell Theory and Prokaryotes and Eukaryotes

All cells come from___________ cells.

• pregnant
• pre-existing
• paternal
• pin size

Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

There are three parts to the cell theory. Which is NOT one of those parts?

• All organisms are composed of one or more cells.
• The cell is the basic unit of structure and organization in organisms.
• Cells spontaneously arise from carbon and nutrients carried in the bloodstream.
• All cells come from pre-existing cells.

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

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

Bacteria is an example of a(n)

• prokaryotic cell.

• eukaryotic cell.

Which type of cell?

• Prokaryote
• Eukaryote

Which type of cell?

• Prokaryote
• Eukaryote