The Cell Theory

Front

What is the Cell Theory?

Back

The Cell Theory states that: 1) All living things are composed of cells, 2) Cells are the basic unit of life, and 3) All cells come from pre-existing cells.

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Front

What are the three main components of the Cell Theory?

Back

1) All living things are made up of cells, 2) Cells are the basic unit of life, 3) All cells arise from existing cells.

Front

What is the basic structural and functional unit of all living things?

Back

Cell.

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Front

What do all living cells come from?

Back

Other living cells.

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Front

What is the smallest unit of life that can perform all life processes?

Back

Cell.

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Front

Which instrument helped scientists develop the Cell Theory?

Back

The microscope.

Front

What are the two main types of cells?

Back

Prokaryotic and Eukaryotic cells.

Front

What is a prokaryotic cell?

Back

A type of cell that does not have a nucleus or other membrane-bound organelles.

Front

What is a eukaryotic cell?

Back

A type of cell that has a nucleus and membrane-bound organelles.

Front

What is the function of the cell membrane?

Back

To protect the cell and control what enters and leaves the cell.

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