sixth grade science cells

Who is credited with discovering the cell?

• Robert Hooke
• Isaac Newton
• Albert Einstein 
• Mathias Schleiden

The basic unit of structure and function of all living things is a ______.

• cell
• atom
• molecule
• organism

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Unicellular organisms have ____

• one cell
• two cells
• millions of cells
• no cells

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The scientist who "discovered" the cell was examining ________ under a microscope.

• cork
• onion
• skin
• pond water

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Which is not one of the parts of the cell theory?

• All living things are made of cells
• Cells are the basic unit of structure and function of living things
• Living cells come from other living cells
• Cells are made up of tissues

Spontaneous generation is the idea that ______.

• living cells come from other living cells
• living cells can generate from non-living things
• new generations of cells are identical to previous generations
• cells are made of organelles

What is one example of a unicellular organism

• bacteria
• plants
• mushrooms and fungi
• human beings

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NGSS.MS-LS1-1

About how many cells are there in an adult human?

• 37.2 trillion
• 3.72 billion
• 37.2 million
• 372 trillion

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NGSS.MS-LS1-1

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The structures that make up cells are called _____.

• tissues
• organs
• organelles
• systems

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Which organelle, found only in plant cells is responsible for supporting and making the plant rigid

• vacuole
• cell wall
• ribosome
• cell membrane