Comparing Cells

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.

Under a microscope, a student observes a specimen containing a cell wall, nucleus, and chloroplasts. Which of the following could the specimen being observed belong to?

• oak tree leaf
• human
• bacteria
• cat hair

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

Tiny cell structures that carry out specific functions within the cell.

• membranes
• nucleus
• organelles
• animalicules

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NGSS.MS-LS1-2

Eukaryotic cells are complex.

• true
• false

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NGSS.HS-LS1-4

Unicellular means

• single-celled
• unicycle
• multi-celled
• united cells

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NGSS.MS-LS1-1

What kind of cell is this?

• Eukaryotic
• Prokaryotic

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NGSS.MS-LS1-1

What is multicellular? 

• one cell 
• no cells 
• many cells 
• no nucleus 

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NGSS.MS-LS1-1

Plants and animal cells are examples of ___ cells 

• prokaryotic cells 
• eukaryotic cells 

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NGSS.MS-LS1-1

Both prokaryotes and eukaryotes have a nucleus.

• True
• False