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biology

CELL Vocabulary

definitionanswer
special boundary that controls what enters or leaves the cell... also known as cell membrane plasma membrane
membrane bound structures that have special functions within eukaryotic cells organelles
central organelle that contains cell's genetic material; called brain of the cell nucleus
ability of plasma membrane (cell membrane) to selective what passes through the membrane selective permeability
the ability of a substance to allow materials to move through it permeability
barrier- area that separates 2 things boundary
2 layers of phospholipids are arranged tail-to- tail phospholipid bilayer
semi-fluid material where chemical processes take place cytoplasm
organelle that helps manufacture proteins ribosomes
within the nucleus the site of ribosome production nucleolus
opening on nuclear envelope that allows sixed particles to move into and out of nucleus nuclear pore
membrane systems of folded sacs and interconnected channels that SERVES as site of protein and lipid synthesis (formation) endoplasmic reticulum
area of the ER where ribosomes are attached and proteins are exported rough endoplasmic reticulum
area of the ER that do NOT have ribosomes attached smooth endoplasmic reticulum
flattened sac of membranes that modify, sort and package proteins into sacs called vesicles Golgi apparatus (Golgi body)
sac (Storage tank) to store food, enzymes, or other materials needed by the cell vacuole
trash can of cell; vesicles that contain waste products or worn out organelles of cells lysosomes
organelle that provides energy for the cell; "power house of the cell" mitochondria
organelles in plant cells that convert light and chemical energy into food for plant chloroplasts
DeoxyriboseNucleicAcid- used to store information to make cell growth, function, and reproduction DNA
thick, rigid mesh of fibers that protect and support a plant cell cell wall
Created by: ewoodham