Biology Chapter 3.1 Cell Theory Powerpoint

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3.1 Cell Theory
KEY CONCEPT Cells are the Basic unit of life.

3.1 Cell Theory 3.1 Objectives

Describe developments that led to the cell theory.

Differentiate between eukaryotic and prokaryotic cells.

3.1 Cell Theory
The cell theory grew out of the work of many scientists and improvements in the microscope. • Many scientists contributed to the cell theory.

3.1 Cell Theory
The cell theory grew out of the work of many scientists and improvements in the microscope. • Many scientists contributed to the cell theory. • More was learned about cells as microscopes improved.

3.1 Cell Theory
The cell theory grew out of the work of many scientists and improvements in the microscope. • Many scientists contributed to the cell theory. • More was learned about cells as microscopes improved. • The cell theory is a unifying concept of biology.

3.1 Cell Theory
Early studies led to the development of the cell theory. • The Cell theory has three principles. – All organisms are made of cells.

3.1 Cell Theory
Early studies led to the development of the cell theory. • The Cell theory has three principles. – All organisms are made of cells. – All existing cells are produced by other living cells.

3.1 Cell Theory
Early studies led to the development of the cell theory. • The Cell theory has three principles. – All organisms are made of cells. – All existing cells are produced by other living cells. – The cell is the most basic unit of life.

3.1 Cell Theory
Prokaryotic cells lack a nucleus and most internal structures of eukaryotic cells. • All cells share certain characteristics.

3.1 Cell Theory
Prokaryotic cells lack a nucleus and most internal structures of eukaryotic cells. • All cells share certain characteristics. – Cells tend to be microscopic.

Bacterium (colored SEM; magnification 8800x)

3.1 Cell Theory
Prokaryotic cells lack a nucleus and most internal structures of eukaryotic cells. • All cells share certain...
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