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ch 18 lesson 1

Living Things Are Made of Cells

TermDefinition
life science the study of living things
cell the basic unit of life
organism a living thing that can carry out all the basic life activities
bacteria the simplest organisms that carry out all basic life activities
microscope an instrument used to magnify things
organelle a tiny part inside a cell
tissue groups of cells that are alike and work together
organ a group of different tissues that work together
cell membrane a thin layer that surrounds and holds a cell together
cytoplasm a gel - like substance containing chemicals needed by the cell
nucleus information and control center of the cell
DNA the chemical inside cells that stores information about an organism
ribosome a protein builder of the cell
mitochondrion an organelle that uses oxygen to break down food and release the energy in food's chemical bonds (plural is mitochondria)
vacuole stores substances such as food, water, and waste products
endoplasmic reticulum a system of tubes that process and transport proteins within the cell
golgi body packages and distributes proteins outside the cell
cell wall the outer part of a plant cell that provides shape to the cell
chloroplast captures the light energy from
photosynthesis the process in which a plant makes food
lysosome contains chemicals that break down materials
ATP high - energy molecules that store energy in a form the cells can easily use
RNA a molecule that works together with DNA to make proteins
Created by: dguillory0044
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