The Cell

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Information about The Cell

Published on January 10, 2008

Author: itamarita1984

Source: slideshare.net

Description

Chapter 7 cell presentation

THE CELL Chapter 7

 

 

 

 

 

 

 

 

 

 

 

Robert Hook (1665) Englishman cork “cells” Compound microscope

Englishman

cork

“cells”

Compound microscope

 

Anton van Leeuwenhoek (1660’S) Holland Single lens microscope Pond water

Holland

Single lens microscope

Pond water

 

Cells Basic units of life

Basic units of life

Matthias Schleiden (1838) German botanist Plant cells

German botanist

Plant cells

Theodor Schwann (1839) German biologist Animal cells

German biologist

Animal cells

Rudolf Virchow (1855) German physician New cells could only come from the division of existing cells

German physician

New cells could only come from the division of existing cells

Cell Theory All living things are compose of cells Cells are the basic units of structure and function in living things New Cells are produced from existing cells

All living things are compose of cells

Cells are the basic units of structure and function in living things

New Cells are produced from existing cells

Lots of different shapes and sizes of cells

 

 

Sizes 5 to 50 micrometers How big is a micrometer? 1m=100cm=1,000,000 micrometers 1 micrometer=.000001m Basically you can’t see it Remember: KHDmDCM..micro..nano..pico

5 to 50 micrometers

How big is a micrometer?

1m=100cm=1,000,000 micrometers

1 micrometer=.000001m

Basically you can’t see it

Remember: KHDmDCM..micro..nano..pico

Chaos chaos Largest protozoan You can see without microscope 1000 micrometers How many meters is this? .001 m How many centimeters is this? 0.1 cm

Largest protozoan

You can see without microscope

1000 micrometers

How many meters is this?

.001 m

How many centimeters is this?

0.1 cm

2 things in every cell… Surrounded by a barrier, cell membrane At some point in their life they contain…. DNA

Surrounded by a barrier, cell membrane

At some point in their life they contain….

DNA

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