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MSA Science
Part 3
15
Science
8th Grade
08/05/2010

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Cards

Term
cell
Definition
the basic unit of structure and function of all living things
Term
cell membrane
Definition
the thin covering of a cell
Term
organelles
Definition
small structures within a cell
Term
nucleus
Definition
the organelle that determines the cell's activities
Term
chromosomes
Definition
threadlike structures that contains the characteristics of the organism
Term
cytoplasm
Definition
a jellylike substance that keep the cell functioning
Term
mitochondria
Definition
organelles that release energy from food
Term
vacuoles
Definition
organelles that store food, water, or waste materials
Term
chloroplasts
Definition
plant organelles that make food
Term
cell wall
Definition
plant organelles that surrounds the cell and gives it strength
Term
diffusion
Definition
the process of materials moving into and out of cells
Term
osmosis
Definition
the movement of water and dissolved materials through cell membranes
Term
tissue
Definition
cells that work together to perform a specific function
Term
organ
Definition
tissues that work together
Term
system
Definition
organs that work together
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