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Mrs. McD's Cell Ch 7

Organelles and Transport

termdefinition
phospholipid molecule of cell membrane passive transport
protein passive transport active transport support of phospholipid bilayer
active transport uses energy, movement from low to high conc.
passive transport uses little to no energy, movement from high to low conc.
cholesterol stabilizes cell membrane
carbohydrates molecule for chemical identification and communication between cells
hypotonic solution solution has higher conc. than cell cytoplasm
hypertonic solution solution has lower conc. than cell cytoplasm
isotonic solution solution has equal conc. to cell cytoplasm
dynamic equilibrium equal conc. on both sides of the membrane, balanced movement of water
selectively permeable some materials can pass through; while others can't
faciliated diffusion proteins create a channel; to help molecules diffuse
vacuole storage organelle
smooth ER synthesis & transport of lipids
ribosomes protein synthesis
mitochondria produces energy source for the cell
nucleolus regulates ribosomes and protein synthesis
lysosome contains enzymes to catalyze chemical reactions
rough ER synthesis & transport of proteins
microtubules & microfilaments part of cytoskeleton
golgi apparatus package & shipping center for cell
cell membrane boundary and regulates what enters & leaves the cell
cell wall support & protection - outside cell membrane
plastid storage of pigment for trapping solar energy
centrioles organization of DNA during cell division
nucleus control center; regulates functions of the cell
chromatin or DNA genetic code; for everything that happens in the cell
Created by: genamcdonald
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