Cell Wall - provides support to plant cells, Cytoplasm - gel-like material that holds all the organelles in place, DNA - genetic material found in the nucleus, vacuole - stores water, food, and dissolved materials, chlorophyll - green chemical that transforms sunlight into chemical, mitochondria - converts chemical energy stored in food into energy use by the cell, cell membrane - provides protection against many harmful substance, nucleus - controls the cell's activities and contains the genetic material, chloroplast - site of photosynthesis and found in plant cells, organ - group of tissues working together to perform a job, organ systems - group of organs that work together to perform 1 or more functions, molecule - 2 or more atoms held together by chemical bonds, function - an object's job in a system, chlorophyll - green pigment that absorbs energy from the sun to make glucose during photosynthesis, structure - physical arrangement; how it's put together, organism - living thing that reacts to stimuli, reproduces, grows, and keeps homeostasis, animal cell - smallest unit in an animal that contains properties of life, organelle - structure in the cell that has a task to perform "little organ", tissue  - group of similar cells that have structure and function, unicellular organisms - perform all necessary functions with a single cell, prokaryotes - cell without a membrane-bound nucleus-bacteria, eukaryotes - cell has a nucleus surrounded by a cell membrane, multicellular organisms - multicellular organisms are made of many eukaryotic cells working together, cell differentiation - dividing cells take on different functions, cell shape & movement - a cell is made of different structures that perform various functions necessary for the life of the cell, The Discovery of Cells - the study of cells got its start more than 300 years ago, Robert Hooke - used a microscope to view a piece of cork and saw honeycomblike openings that reminded him of cells, The Cell Theory - 3 German scientists worked on the theory that all living things are made of one or more cells and that all cells come from preexisting cells,

7th Grade-Cell Structures and Functions

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