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Chapter 7
n/a
12
Biology
10th Grade
09/13/2012

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Term
Cell
Definition
Basic unit of structure and organizationof all living organisms.
Term
Cell Theory
Definition
States that (1) organisma are made of one or more cells; (2) cells are the basic unit of life; (3) all cells come from only other cells.
Term
Plasma Membrane
Definition
flexible, selectively permeable boundary that helps control what enters and leaves the cell
Term
Eurkaryotic Cell
Definition
unicellular organism with membrane-bound nucleus and organelle; generally larger and more complex than a prokaryotic cell.
Term
Nucleus
Definition
the site of ribsome production within the nucleus of Eukaryotic cells
Term
Organelle
Definition
specialized internal cell structure that carries out specific cell functions such as protein synthesis and energy transformation
Term
Prokaryotic Cell
Definition
microscopic, unicellular organism without a nucleus or other membrane-boundorganelles
Term
Ribsome
Definition
simple cell organelle that helps manufacture protein
Term
Vacuole
Definition
membrane-bound vesicle or temporary storage of materials such as food enzymes and waste
Term
Chloroplast
Definition
double membrates organelle that captures light energy and converts it into chemical energy through photosynthesis
Term
Mitochondrion
Definition
membrane-bound organelle that converts feul into energy that is availble to rest of the cell
Term
Cell Wall
Definition
in plants that rigid barrier that surronds the outside of the plasma membrane, is made of cellolose and provides support and protection to the cell
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