Scientific Contributions to Cell Theory

Who discovered bacteria?

• Anton von Leeuwenhoek

• Matthias Schleiden

What did Matthias Schleiden contribute?

• Plants are made of cells

• People are made of cells

What did Louis Pasteur learn?

• He learned life comes from life

• He learned that plants are made of cells

What is the main contribution of Rudolf Virchow?

• Cells are the basic unit of life

• All cells come from pre-existing cells

Who discovered and named cells? 

• Captain Hook
• Robert Hooke

Which scientist invented spectacles?

• Abraham Lincoln

• Zacharias Janssen

Theodor Schwann discovered people are made from:

• Cells

• Paper

True or False: Rudolph Virchow discovered that cells come from other cells

• True

• False

What is NOT a part of cell theory:

• all cells come from existing cells

• all cells have a nucleus

How is a law differerent from a theory?

• Science law is about what happens and science theories are about how something happens

• Science law is about how something happens and science theories are about what happens