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Cell Organelle Reserch Flascards
Notes
13
Biology
9th Grade
01/25/2012

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Cards

Term
Nucleus
Definition

1. In most eukaryotes cells of living organisms.

 

2. It controls everyting that happens in the cell. It's also important in the cell splitting

 

3. The Brain

Term
Nucleolus
Definition

1.

Plants and Animals and in the center of a Nucleus.



2. helps make the ribosomes

 

3. another organelle

Term
Cell Membrane
Definition

1. next to the cell wall

 

2.

The cell membrane is in all cells, the cell membranes job is to protects the cell from diseases
 
3.
The cell wall creates a semipermeable boundary that keeps the matter of the cell together while also allowing respiration. In animalian organs, the walls not only hold in material(performing the same function) but they are muscular and help the organ work. Above the organ stage, the skin on an animal performs the same function as a cell wall, as does the bark on a tree. They hold the material inside, but are semipermeable to allow exchange of substances.


 



 

 

 

Term
Cytoplasm
Definition

1. is the liquid/jelly like substance that fills up the "space" in any type of
cell

 

2. prevents the cell from collasping

 

3. Water

 

Term
Ribosome
Definition
A minute round particle composed of RNA and protein that is found in the cytoplasm of living cells and serves as the site of assembly for polypeptides encoded by messenger RNA.

Term
Mitochondria
Definition
A spherical or elongated organelle in the cytoplasm of nearly all eukaryotic cells, containing genetic material and many enzymes important for cell metabolism, including those responsible for the conversion of food to usable energy. Also called chondriosome.


Term
Vacuole
Definition
A membrane-bound organelle found in certain protists that pumps fluid in a cyclical manner from within the cell to the outside by alternately filling and then contracting to release its contents at various points on the surface of the cell. It functions in maintaining osmotic equilibrium.


Term
Golgi Body
Definition
A network of stacked membranous vesicles present in most living cells that functions in the formation of secretions within the cell. Also called Golgi body, Golgi complex.


Term
Rough ER
Definition
A membrane network within the cytoplasm of cells involved in the synthesis, modification, and transport of cellular materials.


Term
Smooth Er
Definition
The smooth er does not have attached ribosomes. Certain organs contain an abundance of smooth er and its functions depends on the organ. in some organs, the smooth er is associated with the production of lipids.

Term
Lysosome
Definition
A membrane-bound organelle in the cytoplasm of most cells containing various hydrolytic enzymes that function in intracellular digestion.


Term
Cell Wall
Definition
The rigid outermost cell layer found in plants and certain algae, bacteria, and fungi but characteristically absent from animal cells.


Term
Chlorplast
Definition
A chlorophyll-containing plastid found in algal and green plant cells.


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