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Life Science

week 11/07/16

TermDefinition
Cell Wall A rigid supporting layer that surrounds the cells of plants and some other organisms.
Cell Membrane A thin, flexible barrier that surrounds a cell and controls what passes into and out of a cell.
Organelle A tiny cell structure that carries out a specific function within a cell.
Ribosome A small grain shaped organelle in the cytoplasm of a cell that produces proteins.
Cytoplasm The thick, clear, gel-like fluid that fills the space inside of the cell membrane.
Mitochondria Rod-shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions.
Endoplasmic Reticulum An organelle that forms a maze of passageways in which proteins and other materials are carried from one part of a cell to another.
Golgi Apparatus An organelle in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and sends them to other parts of the cell.
Vacuole A sac-like organelle that stores water, food, and other materials.
Chloroplast An organelle in the cells of plants that contains chlorophyll, which captures energy from sunlight and changes it to an energy form that cells can use.
Lysosome A cell organelle which contains chemicals that break down large food particles into smaller ones that can be used by the rest of the cell.
Tissue A group of similar cells that perform a specific function.
Organ A body structure that is composed of different kinds of tissues that work together.
Organ system A group of organs that work together to perform a major function.
Created by: Kath_2oo3