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BC Science 8 chapter 1

bacteria prokaryotic cells that live almost everywhere on earth
cell membrane Acts like a skin that surrounds the cell. Regulates what enters and leaves the cell
cell theory 1.cell is the basic unit of life 2. all living things are made of cells 3. all cells come from preexisting cells
cytoplasm the clear jelly-like fluid that holds the organelles in the cell.
mitochondria produce energy for the cell through cellular respiration
nucleus the control centre of the cell
organelle the small 'organs' within the cell that carry out life processes
vacuole temporary storage compartments in the cell
virus non-living particles that can reproduce.
prokaryotic cell cells without a membrane bound nucleus.
Eukaryotic cell cells with membrane bound organelles
endoplasmic reticulum network of membrane covered channels
ribosomes manufactures proteins
Golgi Body sorts proteins and packages them
lysosome breaks down food particles and cell waste
chloroplast uses sunlight to create sugar
concentration the amount of a substance in a given space
diffusion the random movement of particles from an area of high concentration to low concentration
osmosis the movement of water from an area of low solute concentration to high solute concentration
Created by: pransom