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LE Cell Vocab

TermDefinition
Prokaryote no nucleus, fewer organelles, bacteria
Eukaryote many organelles, membrane bound nucleus, plants, animals
Nucleus “brain of the cell”; controls all cellular activity; contains DNA/chromosomes
Nucleolus inside of nucleus; site of ribosome synthesis
Ribosomes site of protein synthesis
Mitochondria “powerhouse of cell”; site of cellular respiration; provides energy to cell
Endoplasmic Reticulum transports materials throughout cell; rough ER- processes proteins; smooth ER –processes lipids & carbs
Golgi Bodies/Apparatus packages & secretes cell products; stack of pancakes
Cytoplasm fluid portion of cell; contains organelles; allows for transport of materials (cyclosis)
Lysosomes “garbage collectors”; digest food particles; form from pinched off sections of golgi bodies
Cell/Plasma Membrane controls what enters & exits cell; biphospholipid layer
Cell Wall found in plant cells only; provides support & structure to cell
Centrioles found only in animal cells; involved in mitosis & meiosis
Chloroplasts found only in animal cells; site of photosynthesis
Passive Transport movement of materials from high to low concentration without the use of energy
Diffusion another name for passive transport
Osmosis diffusion of water
Facilitated Diffusion diffusion aided by protein carriers embedded in cell membrane
Active Transport movement of materials from low to high concentration with the use of energy
Endocytosis form of active transport that involves taking in of materials through the use of pseudopods
Phagocytosis engulfing of large particles with pseudopods (cell eating)
Pinocytosis engulfing of small particles including fluids with pseudopods (cell drinking)
Exocytosis form of active transport that brings vacuole to cell membrane where it fuses then opens to expel wastes
Created by: jgarrisi