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Middle School Biology. Animal and Plant Cells. Function of Cells The Cell Theory Animal Cells Cell Components and Organelles Cytoplasm Cell Membrane Nucleus Mitochondria Endoplasmic Reticulum Golgi Bodies Vacuoles. TeachWithFergy Preview File.
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Middle School Biology Animal and Plant Cells Function of Cells The Cell Theory Animal Cells Cell Components and Organelles Cytoplasm Cell Membrane Nucleus Mitochondria Endoplasmic Reticulum Golgi Bodies Vacuoles
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Function of Cells – In General • Cells work together to keep every living thing alive • Get rid of wastes • Repair and grow • __________
Recall: The Modern Day Cell Theory The Current Cell Theory • All organisms are composed of one or more cells. • The cell is the basic unit of life in all living things. • All cells are produced by the division of preexisting cells. • Energy flows inside cells • Cells contain DNA which determines the organisms characteristics, and is passed down from one generation to another
Animal Cells • Animal cells are found ________
Main Cell Components Genetic material Plasma (cell) membrane _________
Animal Cell Components (Organelles) • Cell components are also called organelles • We will cover each organelle below • Cytoplasm – not an organelle but the substance that holds the organelles • Cell Membrane • __________ • __________ • Endoplasmic Reticulum • ……………
Cytoplasm • Gel-like substance that holds the cell organelles together • ___________ • Where many chemical reactions occur
Nucleus • _____________ • Contains DNA (genetic material) that tells the cell what to do • Usually 1 per cell and is spherical in shape
Mitochondria • “Powerhouse” of the cell • _____________ • Cells that use more energy like muscle, have more mitochondria
Endoplasmic Reticulum (ER) • Network of transportation tubes that move substances around the cell • _____________
Golgi Body (Golgi Apparatus) • The “middleman” • _____________ ER
Plant Cells Function of Cells Animal vs. Plant Cells Common Cell Organelles Plant Specific Organelles Large Vacuoles Cell Wall Chloroplasts Photosynthesis
The Function of Cells • Cells work together to keep every living thing alive • Get rid of wastes • Repair and grow • ……………
Plant Cells • Plant cells are eukaryotic cells like animal cells • ___________ • They are very similar to animal cells
Plant Cell Specific (or different) Organelles Plants need to perform unique functions therefore, they must have some unique organelles mainly: • ___________ • ___________ • ___________
Large, Central Vacuole • Plants usually have one large vacuole in the center of the cell
Large, Central Vacuole • It is used to temporarily hold wastes and help maintain shape • Similar to air inside a balloon • ___________
Cell Wall • Found just outside the cell membrane • ___________ • Provides strength to ………………
Chloroplasts and Photosynthesis • In photosynthesis, the chloroplasts take in carbon dioxide and water from the environment and light from the Sun and ___________ Carbon Dioxide + Water + Light Energy Glucose (Sugar) + Oxygen
Photosynthesis Carbon Dioxide + Water + Light Energy Glucose (Sugar) + Oxygen
Chloroplasts and Photosynthesis • The sugar that is created is either used by the plant as food to survive or by the organism that eats the plant • ___________ Carbon Dioxide + Water + Light Energy Glucose (Sugar) + Oxygen