Cell Theory & Pro vs. Eu

A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?

• Plants have cells but animals do not.
• They are both made of one or more cells. 
• They both come from the same kind of cell.
• They both come from a non-living organism.

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The Cell Theory states that

• All living cells must have a cell wall.

• All living cells require glucose for survival.

• The basic unit of life is a cell.

• All cells contain a nucleus

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 Which of the following is NOT one of the main components of the cell theory?

• cells must contain DNA
• all living things are made of cells
• cells can only come from other cells
• cells are the basic unit of life

Unlike eukaryotes, prokaryotes do not have:

• DNA
• cytoplasm
• cell walls
• a membrane bound nucleus

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The smallest unit that can perform the basic activities of life is

• a cell 
• a tissue
• an organ
• an organism

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Which of the following is found inside a prokaryote?

• cytoplasm
• DNA
• ribosomes
• all of these

Which type of cell has no nucleus?

• Eukaryote
• Prokaryote
• Animal
• Plant

Are prokaryotes multicellular or unicellular? 

• Multicellular
• Unicellular

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Which type of cell can be identified in the image?

• Prokaryote

• Eukaryote

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Who discovered and named cells?

• Matthias Schleiden

• Robert Hooke

• Anton van Leeuwenhoek

• Rudolf Virchow