Waste Removal - Pro and Eukaryotes · Prokaryotes have cytoplasm inside the cell membrane Their DNA...
Transcript of Waste Removal - Pro and Eukaryotes · Prokaryotes have cytoplasm inside the cell membrane Their DNA...
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CELLSGetting Rid of Waste, Eukaryotes and Prokaryotes
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GETTING RID OF WASTE
The cell makes waste in producing all the materials it does (proteins, lipids)
It needs a way to get rid of the waste so it doesn’t build up in the cell
http://camden.delaware.gov/files/2012/10/garbage-can1.jpg
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LYSOSOMES
The lysosome has digestive enzymes that will break down waste material.
Vacuoles can help in this process by storing substances that need to be disposed of and sending them to the lysosome to digest
The digested material will leave the cell through the cell membrane
http://www.biology4kids.com/files/art/cell_lysosome1.gif
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http://www.daviddarling.info/images/lysosome.gif
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PROKARYOTES
Prokaryotes (like bacteria) are the simplest and smallest cells
They do not have a nucleus and most other internal parts of the cell
Because of this they cannot carry out specialized functions
Pro- meaning before, -karyote meaning seed
http://www.biology4kids.com/files/art/micro_prokar2_240x180.jpg
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INSIDE PROKARYOTES
Prokaryotes have cytoplasm inside the cell membrane
Their DNA is a simple loop that is inside the cytoplasm
They also have a cell wall surrounding the cell membrane that helps with structure and support
They do have ribosomes so they are able to make their own proteins from the DNA they have
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MOVEMENT OF PROKARYOTES
Many prokaryotes also have flagella
These are long threadlike structures that help with movement
http://www.poyraz.gen.tr/wp-content/uploads/flagella_4782_1.jpg
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http://www.detectingdesign.com/images/Flagellum/Eulena%20Flagella.jpg
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EUKARYOTES
Eukaryotic cells evolved from prokaryotic cells
They have a nucleus that contains the cell’s DNA
They also have organelles which carry out activities in the cell
http://www.world-builders.org/lessons/less/les4/genes/eut_and_pro.gif
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EUKARYOTES
Eukaryotic cells can be unicellular (one cell) or multicellular (more than one cell)
Unicellular organisms can carry out ALL of life’s processes in that one cell
The bigger you are, the more complex you are (multicellular)
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