Cell Biology Quiz

What are cells compared to in the text?

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What is the basic unit of life according to the text?

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What is the term for an organism made up of many cells?

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How many cells are estimated to make up a human body?

• 30 trillion

• 20 trillion

• 40 trillion

• 10 trillion

Answer explanation

The estimated number of cells in a human body is 30 trillion, which is the correct choice.

What is the outer group of cells protecting and providing food to the embryo called?

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What tool is used to see very tiny cells?

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What is the brain of the cell called?

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What is the large gel-like fluid outside of the nucleus but inside the cell wall called?

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What is the wall around the cell that keeps important things inside and unwanted things out called?

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What is the additional protective barrier found in plant cells but not in animal cells?

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