The Cell Theory

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The Cell Theory All organisms are composed of one or more cells. Cell Discovery and Theory Cellular Structure and Function The cell is the basic unit of structure and organization of organisms. Section 1 All cells come from preexisting cells.

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Cellular Structure and Function. Section 1. Cell Discovery and Theory. The Cell Theory. All organisms are composed of one or more cells . The cell is the basic unit of structure and organization of organisms. All cells come from preexisting cells. Cellular Structure and Function. - PowerPoint PPT Presentation

Transcript of The Cell Theory

Page 1: The Cell Theory

The Cell Theory

All organisms are composed of one or more cells.

Cell Discovery and Theory

Cellular Structure and Function

The cell is the basic unit of structure and organization of organisms.

Section 1

All cells come from preexisting cells.

Page 2: The Cell Theory

Cellular Structure and Function

Light Microscopes

Utilizes a series of glass lenses and visible light to magnify an image

Magnifies images up to 1,000 times the actual size

Cell Discovery and Theory

CMCD/Getty Images

Section 1

Page 3: The Cell Theory

Electron Microscopes

Cellular Structure and Function

Utilizes magnets to aim a beam of electrons ata cell to produce an image

Magnifies images up to 500,000 times the actual size

Cell Discovery and Theory

MedicalRF.com/Getty Images

Section 1

Page 4: The Cell Theory

Prokaryotic Cell

Simple structure

Cellular Structure and Function

Contains a plasma membrane

Does not contain membrane-bound organelles

Cell Discovery and Theory

Steven P. Lynch

Section 1

Page 5: The Cell Theory

Eukaryotic Cell

More complex structure

Cellular Structure and Function

Contains a plasma membrane

Contains membrane-bound organelles

Cell Discovery and Theory

The McGraw-Hill Companies, Inc./Al Telser, photographer

Section 1

Page 6: The Cell Theory

Plasma Membrane Thin, flexible boundary between the

cell and its environment

The Plasma Membrane

Cellular Structure and Function

Allows nutrients into the cell Allows waste to leave the cell

Section 1