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20 Cards in this Set

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Cell
a basic unit of structure and function in all organisms.
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
Eukaryote
an organism whose cells have a distinct membrane-bound nucleus and organelle
Multicellular
composed of more than one cell
Organelle
structure in the cytoplasm of a eukaryotic cell that can act as a storage site, process energy, move materials, or manufacture substances
Prokaryote
a unicellular organism that lacks a true nucleus and membrane organelle
Unicellular
composed of only one cell
Cell membrane
the semi-permeable membrane that encloses the contents of a cell
Cell wall
the rigid, outermost layer of a plant cell
Chlorophyll
the green pigment in the leaves and stems of plants that is necessary for the production of plant food by photosynthesis
Chloroplast
a small oval green bit of protoplasm that contains chlorophyll and is the location of photosynthesis.
Cytoplasm
inherited genetic material in a cell not specified by its own nucleus.
Endoplasmic reticulum
organelle in the cytoplasm that moves materials around in a cell and is made up of a complex series of folded membranes; can be rough or smooth
Golgi bodies
organelles that package cellular material and transport them within the cell or out of the cell
Lysosomes
the organelle that contains enzymes to break down or digest organic compounds and old organelle
Mitrochondria
any of the very tiny rod-like or string-like structures that occur in nearly all cells of plants and animals, and that process food for energy
Nucleolus
a small spherical body in the nucleus of a cell, consisting of protein and RNA. It produces ribosomes.
Nucleus
the part of a cell that controls growth and reproduction.
Ribsome
small structure on which cells make their own proteins
Vacuole
a membranous enclosure within a cell that contains substances