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Parts Of A Cell. Organelles and their Functions. This is a Cell. . As you can see…. Though a cell is very small, there are things even smaller that make up the cell. These small particles that make up the cell are called Organelles
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Parts Of A Cell Organelles and their Functions
As you can see… • Though a cell is very small, there are things even smaller that make up the cell. • These small particles that make up the cell are called Organelles • There are several different types of Organelles and each has its own function.
The Cell Membrane • Also called the Plasma Membrane • The cell membrane is made up of a permeable layer. • This layer allows certain things to pass through it, such as Oxygen, while it prevents other things from entering the cell. • The Cell Membrane surrounds the cell and is it’s boundary separating the inside of the cell, or cytoplasm, from the rest of the body.
Mitochondria • The mitochondria of the cell is where a cell gets its power • Mitochondria oxidize foodstuffs to produce energy in the from of ATP • Mitochondria also have a special form of DNA that is passed down from mother to child. It is called Mitochondrial DNA • Power House of the Cell
Lysosome • Lysosome are sacs filled with digestive enzymes. • The job of the lysosome is to digest worn out organelles, or the organelles that are no longer doing their job. • If ruptured, a lysosome can destroy the entire cell that it is a part of.
The Endoplasmic Reticulum (ER) • There are 2 types of ER. Rough and Smooth. • Rough ER has ribosomes attached to it and is used to store and transport proteins to other parts of the cell. It also aids in protein synthesis • Smooth ER is used in transportation, but not synthesis.
The Golgi Apparatus • Takes proteins that are delivered to it by the rough ER and modifies them, separates them, and then packages them into a membrane. • That membrane can then becomes part of the cell membrane, be excreted from the cell, or become a lysosome.
Ribosome • Small round organelles that are made of RNA and protein. • Site of protein synthesis for the cell. • Can be found free floating or attached to the rough ER.
Nucleus • Contains the genetic material for the cell, or the DNA. • Known as the “Control Center of the Cell” • Necessary for cell reproduction and replication • Has a membrane much like the cell membrane called the nuclear membrane or nuclear envelope.
Cytoplasm • Cytoplasm is what makes up the inside of the cell. • It is a fluid that contains the other organelles floating in it along with the organelles. • The liquid alone is called cytosol.
Cytoskeleton • Used to support the cell. • Made of 3 types: Mictrotubules, Microfilaments, and Intermediate filaments. • Helps determine shape of the cell.
Reference • Marieb, E.N, & Mitchel, S.J. (2011). Human Anatomy & Physiology laboratory manual. San Franciso, CA: Pearson Education,Inc. • http://www.animalport.com/animal-cells.html • http://www.cartage.org.lb/en/themes/sciences/zoology/animalphysiology/anatomy/animalcellstructure/Mitochondria/Mitochondria.htm • http://www.cartage.org.lb/en/themes/sciences/zoology/animalphysiology/anatomy/animalcellstructure/GolgiApparatus/GolgiApparatus.htm • http://micro.magnet.fsu.edu/cells/nucleus/nucleus.html