Cell Theory

Why are microscopes important when studying most cells?

• Most cells are very large.
• Most cells are very small.  
• Most cells move very quickly.
• Most cells are dead.  

Which of the following is NOT one of the basic points of Cell Theory?

• All living things are made of cells.
• The cell is the smallest living thing that can perform all the functions of life.
• Cells are too small to see without a microscope.  
• All cells must come from pre-existing cells.

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All organisms are made of:

• organelles
• cytoplasm
• DNA
• cells

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The basic unit of life is called a (n)

• atom
• compound
• cell
• energy

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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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True or False: there are more than two scientist who contributed to the cell theory

• True 
• False

What tool do you use to view the cells?

• metric ruler
• centrifuge
• microscope
• pipette

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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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...

• atoms create all matter
• living things evolve
• the cell is the backbone of all matter
• cells are the basic unit of structure and organization of organisms

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