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12
Biology
9th Grade
01/24/2012

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Term
Cyclin
Definition
Is one of a familly of proteins that regulates the cell cycle in a eukaryotic cells.
Term
Growth factor
Definition
Is one of a group of external regulatory proteins that simulate the growth and division of cells.
Term
Apoptosis
Definition
Is the proccess of programmed cell death.
Term
Cancer
Definition
Is a disorder in which in which some of the bodys cells began to lose the ability to controll growth.
Term
Tumor
Definition
Is a mass of rapidly dividing cells that can damage surrounding tissue.
Term
Embryo
Definition
Is the developing stage of a multicellular organism
Term
Differentiation
Definition
Is the process in which cells become specialized in structure and function.
Term
Totipotent
Definition
Is the cells that are able to develope into any type of cell found in the body (including the cells that make up the extraembryonic membranes and placenta)
Term
Blastocyst
Definition
Is the stage of early development in mammals that consist of a hollow ball of cells.
Term
Pluripotent
Definition
Is the cells that are capable of developing into mose, but not at all, of the body cell types.
Term
Stem Cell
Definition
Is a unspecialized cell that can give rise to one or more types of specialized cells.
Term
Multipotent
Definition
Is a cell with limited potential to develope many types of differential cells.
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