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Cell Membrane
Protective outer covering of all cells that regulates the interaction between the cell and the enviroment.
Cytoplasm
Constantly moving gel-like mixture inside the cell membrane that contains heredity material and is the location of most of a cell’s life processes.
Cell Wall
Rigid structure that encloses, supports, and protects the cells of plants, algae, fungie, and most bacteria.
Organelle
Structure in the cytoplasm of a eukaryotic cell that can act as a storage site, process energy, move materials, or manufacture materials.
Nucleus
Organelle that controls all of the activities of a cell and contains hereditary material made of proteins and DNA; positively charged, central part of an atom.
Chloroplast
Green, chlorophyll-containing, plant cell organelle that uses light energy to produce sugar from carbon dioxide and water.
Mitochondrion
Cell organelle that breaks down food and releases energy.
Ribsome
Small cytoplasmic structure on which cells make their own proteins.
Endoplasmic Reticulum
Cytoplasm organelle that moves material around in a cell and is made up of a complex series of folded membranes; can be rough or smooth.
Golgi Body
Organelles that package cellular materials and transport them within the cell or out of the cell.
Organ
Structure, such as the heart, made of of different types of tissues that all work together.
Tissue
Group of similar cell that work together to do one job.
Cell Theory
States that all organisms are made up of one or more cells, the cell is the basic unit of life, and all cells come from other cells.
Virus
A strand of hereditary material surrounded by a protein covering.
Host Cell
Living cell in which a virus can actively multiply or in which a virus can hide until activated by environmental stimuli.
Photosynthesis
Process by which most plants, most protists, and many types of bacteria make their own food.
Magnify
To increase the size of something
Disease
A condition that results from the disruption in function of one or more of an organism’s normal proceses.
