LT 4.2 - Cell Theory

Which of the following scientists concluded that all animals are made of cells?

• Rudolf Virchow
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

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Which of the following scientists was the first to observe bacteria?

• Anton van Leuwenhoek
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

Which of the following statements is not part of the cell theory?

• Cells are the basic unit of structure and function in all living things.
• All cells are produced from other cells.
• Only animal cells are composed of cells.
• All living things are composed of cells.

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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 a process called 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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Which statement is a part of the cell theory?

• all cells come from preexisting cells
• bacteria are prokaryotic cells
• eukaryotic cells are complex
• humans are multicellular

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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

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Who was the "scientist" who observed pond water and teeth scrapings in his microscope?

• Hooke
• Leeuwenhoek
• Schleidian
• Virchow

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An Amoeba is a unicellular, animal-like protist that lives in ponds and streams. According to cell theory, where did this cell come from?

• another pre-existing amoeba cell.
• energy from sun that allowed the protist to reproduce.
• a multicellular organism.
• the nonliving environment.

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Who discovered and named cells? 

• Captain Hook
• Robert Hooke
• Zacharias Janssen
• Rudolf Virchow