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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NGSS.MS-LS1-1

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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NGSS.MS-LS1-1

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

• Plants
• Skin 
• Animals 
• Cells

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What is one way in which all living things on Earth are alike?

• All living things have hair.
• All living things are made of cells and come from other cells.
• The cells of all living things have chloroplast.
• All living things can move. 

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NGSS.MS-LS1-1

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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The ___ is the basic unit of structure and function of organisms

• atom

• cell

• matter

• all other answers are correct

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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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NGSS.MS-LS1-1

Which of the following is NOT a cell theory.

• All non-living things are made of cells

• All cells come from pre-existing cells

• Cells are the basic unit of structure and function of all living things

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NGSS.MS-LS1-1

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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