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Cells
N/A
12
Biology
6th Grade
03/10/2010

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Term
cytoplasm
Definition
inherited genetic material in a cell not specified by its own nuclues
Term
mitochondrion
Definition
any of the very tiny rodlike or stringlike structures that occur in nearly all cells of plants and animals, and that process food for water
Term
nucleolus
Definition
a small spherical body in the nucleus of a cell, consisting of protein and RNA
Term
nucleus
Definition
in biology, the part of a cell that controls growth and reproduction
Term
organ
Definition
in a plant or animal, a speciliazed structure that performs a particular function, such as the heart
Term
tissue
Definition
the mass of like cells in an animal or plant body especially as they form a specific organ
Term
vacuole
Definition
a membranous enclosure within a cell that contains substances isolated from the protoplasm, such as dissolved acids
Term
cell membrane
Definition
the semipermeable membrane that encloses the contents of a cell
Term
cell wall
Definition
the rigid outermost layer of a plant cell, which is made of cellulose
Term
chlorophyll
Definition
the green pigment in the leaves and stems of plants that is necessary for the production of plant food by photosynthesis
Term
chloroplast
Definition
a small green oval bit of protoplasm that contains chlorophyll and is the location of photosynthesis
Term
chromosome
Definition
one of the tiny, threadlike, DNA-containing bodies found in the cell nuclei of all plants and animals, responsible for transmitting hereditary characteristics.
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