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7.1 & 7.2 Vocabulary

TermDefinition
Eukaryote DNA enclosed in a nucleus
Cell Membrane Thin flexible barrier that separates the cell from its environment
Cell Theory All living things are made of one or more cells
Nucleus Cell structure that contains genetic material
Cell Basic unit of life
Cytoplasm Fluid portion of the cell outside the nucleus
Prokaryote DNA not enclosed in a nucleus
Organelle Structure within a cell that acts like a specialized organ
Vacoule Saclike structure that stores materials like water and nutrients
Lysosome Enzyme-filled structure that breaks down complex molecules or worn-out organelles
Cytoskeleton Network of protein filaments that gives a cell its shape and organizes its organelle
Centriole Structure in animal cells that helps organize cell division
Ribosome Structure that assembles proteins
Endoplasmic Reticulum Internal membrane system of a cell where proteins are assembled
Golgi Apparatus Series of flattened sacs that prepares proteins and other materials for export from the cell
Chroloplast Structures in plant cells that captures the sun's energy and changes it into chemical energy
Mitochondrion Organelle that changes the chemical energy in food into a form that is easier for the cell to use
Cell Wall Structure around plant cells, fungus cells, and come bacterial cells that supports and protects
Lipid Bilayer Maintaining the shape of the cell
Selectively Permeable Allows certain molecules or ions to pass through it by means of active or passive transport.
Created by: Dory123
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