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Cell Biology
basic cell structure and orgnales
14
Biology
7th Grade
12/14/2013

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Term
Ribosome
Definition
SIte within cells where proteins are produced.
Term
Chloroplast
Definition
Ssite of photosynthesis.
Term
Golgi Complex
Definition
Packages and distributes protein.
Term
Prokaryotic Cell
Definition
Type of cell that does not contain internal membrane bound nucleus.
Term
Eukaryotic Cell
Definition
Type of cell found in all living things except, bacteria, contain internal membrane bound organelles, have a nucleus.
Term
Cell Membrane
Definition
Separates the cell from its environment, controls what enters and leaves the cell. Found in all cells.
Term
Nucleus
Definition
Round membrane structure, control center of the cell, contains the cells heredity information DNA (nucleic acids) which carry heredity information and direct the biochemical activities of the cell.
Term
Cell Wall
Definition
Rigid exterior structure found outside the cell membrane in plants, bacteria, and some fungi. Gives the cell support and protection.
Term
Cell Wall
Definition
Rigid exterior structure found outside the cell membrane in plants, bacteria, and some fungi. Gives the cell support and protection.
Term
Cytoplasm
Definition
Watery material lying within the cell between the cell membrane and nucleus.
Term
Cytoskeleton
Definition
A web of protein that acts as both skeleton and muscle. (skeleton – support & protection) (muscle – movement)
Term
ER Endoplasmic Reticulum
Definition
Folded membrane where proteins, lipids, and other compounds are formed. Acts as a passage way to deliver materials throughout the cell.
Term
Mitochondria
Definition
Site of cellular respiration, sugar is broken down to release energy for the cell.
Term
Lysosome
Definition
Produce chemicals that break down – food, old worn out cells, foreign invaders.
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