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TT A&P Cell Term

Thompson A&P Cellular Terminology

Cell Organelle or ProcessDescription
Cell Membrane a selectively permeable double layer of phospholipid
Cytoplasm the site of all cell metabolic reactions, contains organelles
Nucleus directs activities of the cell with genetic material
Nucleolus functions to synthesize ribosomes
Centrioles aids in movement of chromosomes during mitosis
Ribosomes functions in protein synthesis, made by nucleolus
Rough Endoplasmic Reticulum functions in protein synthesis, intracellular communication and transport
Smooth Endoplasmic Reticulum functions in lipid synthesis, intracellular communication and transport
Golgi apparatus functions in modification, packaging and transport of protein
Lysosomes digest wastes from cell metabolism and function in autolysis
Mitochondria the site of cellular respiration for energy (ATP) production from the breakdown of glucose using oxygen
Microfilaments smallest protein cytoskeleton
Microtubules larger protein cytoskeleton found with cilia and flagella
Cilia hair-like cell membrane extensions that move substances in cavities
Flagella hair-like cell membrane extension for cell locomotion (sperm is only example in humans)
Microvilli finger-like cell membrane extensions that increase surface area
Diffusion molecules move to equilibrium over time (passive/high to low concentration gradient)
Osmosis diffusion of water through semi-permeable membrane (passive/high to low concentration gradient)
Facilitated Diffusion diffusion with special carrier protein molecule in cell membrane (passive/high to low concentration gradient)
Filtration pressure pushes material through membrane pores (passive/high to low concentration gradient)
Active Transport opposite of facilitated diffusion, uses special carrier protein molecule in cell membrane (active/low to high concentration gradient)
Phagocytosis cell taking in solid particle by vesicle (active/low to high concentration gradient)
Pinocytosis cell taking in liquid by vesicle (active/low to high concentration gradient)
Receptor Mediated Endocytosis special entry into cell with carrier molecule or peripheral protein on cell membrane and vesicle (active/low to high concentration)
Exocytosis expel substances from cell by vesicle (active/low to high concentration)
Created by: tthompson