Definitions

By Jake Burkle

Cell Membrane• Protective outer covering of all cells that is made

up of a double layer of fat like molecules

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Cytoplasm• Constantly moving gel-like mixture inside the

cell membrane that contains heredity material

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Cell Wall

• Rigid structure that encloses , supports, and protects the cells of plants algae, fungi, and most bacteria

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OrganelleStructure in the cytoplasm of a eukaryotic

cell that can act as a storage site, process energy, move materials, or manufacture substances

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NucleusOrganelle that controls

all the activities of a cell and contains hereditary

Yellow is nucleus

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Ribosome• Small structure on which cells make their

own protein

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Tissue• Group of similar cells that work together to

do one job

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Organ

Structure, such as the heart, made up of different types of tissues that all work together

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ChloroplastGreen, chlorophyll-containing, plant-cell

organelle that converts sunlight, carbon dioxide, and water into sugar

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Cell TheoryThe theory is one of the major theories in science

because it tells the most important description of a cell. It is also very important because it was not observations of one person, but many scientists. Some of them were Schleidan, Schwann, and Virchow. The cell theory is…1. All organisms are made up of cells.2. Cells are the basic unit of structure and function in all organisms.3. All cells come from cells that already exist.

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