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PCS Liv Env

Cells - CH 7

active transport the process by which cells use energy to transport molecules
cell basic unit of structure and function in living things
cell membrane thin flexible barrier around the cell; selectively permeable
cell wall rigid layer around the cell membrane of a plant cell
chloroplast uses energy from sunlight to make food molecules
chromatin granular material visible within the nucleus
cytoplasm watery material around organelles
cytoskeleton maintains cell shape with a network of protein filaments
diffusion process by which molecules of a substance move from areas of high concentration to areas of low concentration
endoplasmic reticulum assembles components of the cell membrane and modifies some proteins
eukaryote organism whose cells contain a nucleus (hint: you)
golgi bodies attaches carbohydrates and lipids to proteins using enzymes
mitochondria uses energy from food to make high energy compounds; the cell’s powerhouse
nucleus controls most cell processes and contains DNA; brain of the cell
organelle specialized structures within a cell that perform important cell functions
osmosis diffusion of water through a selectively permeable membrane
phagocytosis process by which extensions of cytoplasm engulf large particles
prokaryote organism whose cells do not contain a nucleus (hint: P = primitive)
receptor molecule receive appropriate cells and trigger some sort of response by the cell (fit together like a puzzle piece)
ribosome factories for making proteins
vacuole sac like structures for storage of water, salts, proteins and carbohydrates
Created by: cboula