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bio chapter 3

TermDefinition
cytoskeleton supports and shapes cells, helps position and transport organelles, provides strength, assists in cell division, aids in cell movement
nucleus stores genetic information
endoplasmic reticulum interconnected network of thin folded membranes where many processes occur
ribosomes link amino acids together to form proteins
vesicles membrane -bound sacs that hold materials
vacuoles fluid-filled sacs that hold materials
mitochondria supply energy to cell
lysosomes contain enzymes to digest materials
centrioles tubes found in centrosomes, help divide DNA, form cilia and flagella
cell wall provides rigid support for plant cells only
chloroplast convert solar energy to chemical energy
cell theory all organisms are made of cells, all existing cells are produced by other living cells, cells are the most basic unit of life
shared cell characteristics microscopic, enclosed by membrane, filled with cytoplasm
eukaryotic cells Contain a nucleus and other organelles that are bound by membranes.
prokaryotic cells no nucleus or membrane bound organelles
Created by: a.mcnulty
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