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Published bySabina George Modified over 9 years ago
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Cells
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What’s Inside a Cell? All cells consist of a ___cell membrane that is filled with organelles. Inside the cells of most organisms is a major structure called the nucleus. In addition, plant cells have a cell wall and chloroplasts.
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The Cell Membrane The cell membrane is a thin, flexible, outer ________that controls the movement of materials in and out of the cell. It also hold the cell together and gives the cell its __________. shape “skin”
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The Nucleus The nucleus is the COMMAND CENTER or BRAIN for the cell. It is usually found near the center and is the “boss.” The nucleus controls all of a cell’s activities.
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The Cytoplasm Cytoplasm is the name for all of a cell’s living material except the nucleus. It is 70- 80% water and somewhat like ___________. It is crowded with different ___________ (a small part of the cell). Jell-O organelles
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Mitochondria They are compared to A POWER HOUSE. They release energy by using oxygen to burn the fuel that comes from food.
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Vacuoles These are the cell’s ____________ organelles. They store water and nutrients until the cell is ready to use them. They also store waste until it is ready to get rid of it. storage
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Endoplasmic Reticulum A network of passages that help make and _____________ proteins. Proteins are needed for _________, repair, and replacement of cells. They also contain ribosomes which make proteins. *Like an intracellular highway” transport growth Surrounds the Nucleus
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Golgi Bodies A stack of flat, pancake- shaped discs that modify, sort, package, and store _______________ and proteins until they are needed. They also make lysosomes. carbohydrates
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Lysosomes Round organelles that _____ _____ _ cell nutrients. They are the ___________ collectors of the cell. Digest garbage
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