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PCS Liv Env

Cells - CH 7

TermDefinition
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
cytoplasm watery material around organelles
cytoskeleton maintains cell shape with a network of protein filaments
smooth endoplasmic reticulum helps make lipids and stores them in tubular like network
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
prokaryote organism whose cells do not contain a nucleus (hint: P = primitive)
ribosome factories for making proteins
vacuole sac like structures for storage of water, salts, proteins and carbohydrates
selectively permeable some substances can pass across and others can't
Nuclear Envelope membrane that encases the nucleus
Nucleolus structure in the nucleus made of RNA and protein
Vesicle transport various items into and out of the cell
Lysosomes break down old cell parts and fight off pathogens
Microtubules small tubular structures that help proteins move
centrioles animal cells only, assist in cell division
rough endoplasmic reticulum transports proteins in tubular like network
Created by: cboula
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