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Organelles/Processes

Includes cellular organelles and cellular processes (diffusion, osmosis, etc.)

TermDefinition
cell membrane present around ALL cells;allows only certain substances to enter and leave; gateway
cell wall encloses the cell membrane of plant cells; protects and supports plant cells
chloroplast contain the green liquid pigment chlorophyll; capture sunlight for making food in plant cells
chromosome location of instructions for all cell activities; directs cell activities; made of DNA
cytoplasm jelly-like material in which cell parts constantly move; area outside the nucleus of a eukaryotic cell
lysosome contain digestive enzymes that break down food particles and waste
mitochondria "powerhouses" of cells; produce most of the energy of a cell
nuclear membrane surrounds the nucleus; allows substances to enter and leave the nucleus
nucleus controls all of the functions of plant and animal cells; control center
ribosome tiny structures in the cytoplasm where proteins are made
vacuole mostly in plant cells; store water and nutrients for the cell; very large in plant cells; "storage tanks"
golgi body package and move proteins outside the cell
endoplasmic reticulum "tunnels" that transport material through the cytoplasm
eukaryotic cells with membrane-bound structures
prokaryotic describes a cell that does not have a nucleus or any other membrane-covered organelles; bacteria and some algae
active transport Requires the use of energy to move materials from a lower concentration to a higher concentration (less crowded area to a more crowded area)
passive transport Does NOT require energy to move materials from a higher concentration to a lower concentration (Highly crowded area to a less crowded area)
osmosis The movement of WATER from a high concentrated area to a lower concentrated area (crowded to a less crowded area)
diffusion A type of passive transport that moves non-water molecules from a higher concentrated area to a lower concentrated area.
homeostasis constant internal environment within the cell
Created by: lgarrigus
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