CELL THEORY

Which statement was NOT included in cell theory?

• All living things are composed of cells.

• Living cells come only from other living cells.

• Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

• Cells are the smallest structure of living things that can perform the functions necessary for life.

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All living things are made up of...

• cells

• tissues

• organ

• organ systems

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What kind of cell is this?

• virus

• animal

• plant

• bacteria

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Prokaryotes DO NOT HAVE...

• DNA

• flagella

• a membrane bound nucleus

• ribosomes

Eukaryotes DO HAVE

• a membrane bound nucleus

• a virus

• pili

• antibacterial protection

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Bacteria is

• Eukaryotic

• Prokaryotic

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A plant cell is

• Eukaryotic

• Prokaryotic

Where do cells come from?

• Dead cells

• Soil

• Other existing cells

• Free cell formation

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The invention of the microscope made it possible for people to discover and learn about

• Plants
• Skin 
• Animals 
• Cells

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When cells are damaged, new cells are created by cell division. How does the cell theory support this fact?

• It states that all cells have a nucleus which divides.
• It states that all living things are made up of one or more cells.
• It states that cells come from previously existing cells.
•  It states that the basic units of structure and function are cells.

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