SCI 230 Week 2 - DQ 2 - 8014

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SCI 230 Week 2 Day 4 Assignment: DQ 2

Describe two similarities and two differences between eukaryotic cells and prokaryotic cells. Why do you think eukaryotic cells developed? Describe how eukaryotic cells are similar to a production line


     Both Prokaryotes and Eukaryotes have a plasma membrane. This plasma membrane acts as a barrier between what is inside a cell and what is outside. It chooses what to let inside.
     Both Prokaryotes and Eukaryotes have cytoplasm/cytosol. This is made up mostly of water and forms the liquid inside of a cell. This is where cellular activity happens.
     Some Prokaryote cells have a capsule. This capsule forms a layer of protection for the cell. It can also give a Prokaryote cell certain characteristics. Eukaryote cells do not have a capsule.
     Eukaryote cells have mitochondria. These are the energy organelles of the cell. This is where most of the energy reactions of a Eukaryote cell occur. Prokaryote cells do not have mitochondria. 
     Eukaryote cells developed from Prokaryote cells through the evolution of multi celled organisms needing more complex functions.
     Eukaryote cells are similar to a production line because there are different stages of organelles in the cell which at to carry out different, yet specific functions much as a production line does.


Resources

http://higheredbcs.wiley.com/legacy/college/pruitt/0471473219/bioinquiries/ch04/Flash/p0438_b.htmRetrieved on August 27, 2009.

Pruitt, N. L., & Underwood, L. S. (2006). Bioinquiry: Making connections in biology (3rd ed.). Hoboken, NJ: John Wiley & Sons, Inc. Chapter 4 Reading.



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SCI 230 Week 2 Day 4 Assignment: DQ 2

Describe two similarities and two differences between eukaryotic cells and prokaryotic cells. Why do you think eukaryotic cells developed? Describ