Final Science Exam

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

What tool do you use to view the cells?

• metric ruler
• centrifuge
• microscope
• pipette

______________ are the basic unit of life.

• DNA
• RNA
• Cells
• Takis

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NGSS.MS-LS1-1

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NGSS.MS-LS1-3

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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NGSS.MS-LS1-1

There are three parts to the cell theory. Which is NOT one of those parts?

• All organisms are composed of one or more cells.
• The cell is the basic unit of structure and organization in organisms.
• Cells spontaneously arise from carbon and nutrients carried in the bloodstream.
• All cells come from pre-existing cells.

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NGSS.MS-LS1-1

What is the function of the vacuole?

• Sac that stores water, nutrients, and waste products

• Sac filled with digestive chemicals

• Jelly-like substance within the plasma membrane

• stack of membranes that packages chemicals

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NGSS.MS-LS1-2

I make proteins for the cell. What am I?

• ribosome
• mitochondria
• chloroplast
• lysosome

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NGSS.MS-LS1-2

The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?

• Prokaryotes have a nucleus.

• Eukaryotes have a nucleus.

• Prokaryotes are plant cells.

• There is no difference.

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NGSS.MS-LS1-1

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A rigid layer that lies outside the cell's membrane is...

• Cytoskeleton

• Cilia

• Cell Wall

• Flagella

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

Jelly-like substance that holds other substances and is between the cell membrane and nucleus.

• cytoskeleton
• cytoplasm
• nucleus
• mitochondria

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NGSS.MS-LS1-2