Cell Theory Introduction

Who would have say;

“Look at these tiny organisms under my microscope! I am going to call them animalcules.”

• Zacharias Janssen

• Robert Hooke

• Anton van Leeuwenhoek

• Rudolph Virchow

Who would have say;

"These spaces in this cok look like little cells."

• Zacharias Janssen

• Robert Hooke

• Theodore Schwann

• Anton van Leeuwenhoek

Who would have say;

"Hey son! Come and see my new invention. I am going to call it a microscope."

• Zacharias Janssen

• Robert Hooke

• Anton van Leeuwenhoek

• Matthias Schleiden

Who would have say;

"Cells do not magically appear. Cells come from pre-existing cells."

• Zacharias Janssen

• Theodore Schwann

• Matthias Schleiden

• Rudolph Virchow

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Cells are made from other cells.

Which one is not related with that statement?

• cells come from pre existing cells.

• Cells divide to make new cells.

• Cell respond and produce energy.

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What is the first thing that the cell theory states?

• All living things are composed of cells.

• Cells are the basic unit of structure and function in living things.

• All cells are produced from other cells.

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What is the third(last) thing that the cell theory states?

• All living things are composed of cells.

• All cells are produced from other cells.

• Cells are the basic unit of structure and function in living things.

What structures distinguish a plant cell from an animal cell?

• Plant cells have cell walls and ribosomes.
• Plant cells have cell walls and chloroplasts.
• Plant cells have chloroplasts and ribosomes.
• Plant cells have chloroplasts and mitochondria.

When cells are damaged, new cells are created by cell division. How does the cell theory support this fact?

• It states that all cells have a nucleus which divides.
• It states that all living things are made up of one or more cells.
• It states that cells come from previously existing cells.
•  It states that the basic units of structure and function are cells.

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Which of the following statements is not part of the cell theory?

• Cells are the basic unit of structure and function in all living things.
• All cells are produced from other cells.
• Only animal cells are composed of cells.
• All living things are composed of cells.

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