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19 Cards in this Set

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AIDS
Acquired immune deficiency syndrome
fatal disease that is caused by the HIV virus and suppresses the body's ability to fight other diseases
cell membrane
cell's permeable boundary that allows oxygen and food into the cell and lets waste leave
cell theory
3 part theory of life science
1- all organisms are mad of one or more cells
2- the cell is the basice unit of life
3- all cells come from other cells
cell wall
rigid structure surrounding plant cell membranes
chloroplast
plant organelle that traps energy while photosynthesis occurs
chromatin
material in nuclei that carries hereditary information
compound light microscope
microscope that magnifies objects by using light and convex lenses
cytoplasm
fluid that surrounds organelles in a cell
endoplasmic reticulum
organelles that move material in a cell
electron microscope
microscope that magnifies objects by bending beams of electrons... more powerful that a light microscope
Golgi body
organelles that package and transport porteins out of a cell
lysosome
organelle that digests food, worn out cell parts, and wastes
nucleus
organelle containing chromosomes; controls the cell's activities
organ
two or more tissues that work together to perform a bodily function
organelle
structure within a cell's cytoplasm
ribosome
organelle that makes proteins
tissue
group of similar cells that work together to perform the same kind of work
vaccine
substance that causes the body to resist infection or develop immunity to a specific virus
virus
disease causing microscopic particle that invades, and often kills, a cell