Cell theory & Scientists

Front

What is the Cell Theory?

Back

The Cell Theory states that all living things are made of cells, the cell is the basic unit of structure and function in organisms, and all cells come from pre-existing cells.

Front

Who first coined the term 'cell'?

Back

Robert Hooke coined the term 'cell' when he observed cork under a microscope.

Front

What is the basic unit of structure and function in organisms?

Back

The basic unit of structure and function in organisms is the cell.

Front

What are the three main points of the Cell Theory?

Back

1. All living things are made of cells. 2. The cell is the basic unit of structure and function in organisms. 3. All cells come from pre-existing cells.

Front

What type of cells are bacteria?

Back

Bacteria are prokaryotic cells.

Front

What did Robert Hooke observe in his experiments?

Back

Robert Hooke observed cork cells under a microscope.

Front

What is a prokaryotic cell?

Back

A prokaryotic cell is a simple, single-celled organism that lacks a nucleus and membrane-bound organelles.

Front

What is a eukaryotic cell?

Back

A eukaryotic cell is a complex cell that has a nucleus and membrane-bound organelles.

Front

What is the smallest unit of life?

Back

The smallest unit of life is the cell.

Front

What does it mean that cells are the basic unit of life?

Back

It means that all living organisms are composed of cells, which perform all necessary life functions.