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organelles in the cell
parts of the cell, structure and function
11
Biology
10th Grade
11/11/2008

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Term
[image]
Definition
boss or brain of the cell. directs cell's activitise and contains genetic information (DNA)
Term

ribosomes

[image]

Definition

found throughout the cell and on the rough endoplasmic reticulum. make proteins.

structure: RNA and proteins

Term

 

lysosomes 

[image]

Definition
digest and get rid of worn out organelles, viruses and bacteria. take the junk out of the cell. contain digestive enzymes.
Term

vacuole

[image]

Definition

storage of water and other materials in the cells. in plant cells, they are bigger than in animal cells.

can export unwanted substances.

Term

golgi apparatus

[image]

Definition
sort, package and modify proteins. (kind of like the post office)
Term
[image]smooth endoplasmic reticulum
Definition
make lipid bilayer that is part of the cell membrane. has no ribosomes
Term

nucleolus

[image]

Definition
structure in the nucleus. transcribes RNA.
Term

rough e.r.

[image]

Definition
contains ribosomes. stores and transports proteins.
Term

cell membrane

[image]

Definition
gatekeeper. controls what moves into and out of cell (lets some stuff in, keeps other stuff out) it's a selectively permeable lipid bilayer
Term

cell wall

[image]

Definition
only found in plants. provides structure and support.
Term

centrioles

[image]

Definition
aid in cell division.
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