Two Basic Cell Types: Prokaryotic vs. Eukaryotic Cells

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Eukaryotic Cells vs. Prokaryotic Cells
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Two Basic Cell Types: Prokaryotic vs. Eukaryotic Cells

Two Basic Types Remember….cells are the basic unit of life for ALL living things. There are two basic types of cells: Prokaryotic cells – found in bacteria Eukaryotic cells – found in protists, fungi, plants and animals

Characteristics Shared Perform the same basic functions Surrounded by plasma membrane to control what enters and leaves the cell “Filled” with cytoplasm Contain ribosomes to make protein Contain DNA to give the general instructions for the cell’s life

What Makes Eukaryotic Cells Different? Much larger Much more complex Contain a true nucleus to house the genetic material (DNA) Linear DNA packaged into chromatin found inside the nucleus Contains specialized structures in the cytoplasm called organelles to carry out various functions Not all have a cell wall

Eukaryotic Cells

What Makes Prokaryotic Cells Different? Much smaller Less complex No true nucleus Circular DNA that is found in the cytoplasm No organelles found in the cytoplasm Surrounded by a cell wall

Prokaryotic Cell

What does size have to do with it? Prokaryotic cells are much smaller than eukaryotic cells. Why? Smaller surface area to volume allows nutrients to easily and quickly reach inner parts of the cell. Eukaryotic cells are larger and can not pass nutrients as quickly. They require specialized organelles to: carry out metabolism provide energy transport chemicals throughout the cell

Prokaryotic Cell http://www.cellsalive.com/cells/bactcell.htm#top

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