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Unit 5 Lesson 12

How Cells Are Used in the Body

TermDefinition
differentiation an increase in the specialization of a cell
gene expression the process in which instructions in DNA are used to produce a protein or other functional product
Hayflick limit the number of times a cell can divide before it is no longer able to propagate
mitosis a type of cell division in which a parent cell copies itself, resulting in two identical daughter cells; used in all cell growth except sexual reproduction
proliferation the increase in number of cells by replication
repair in complex organisms, the process by which new cells replace old or dead ones
senescent cell a cell that can no longer propagate
stem cells unspecialized cells capable of unlimited proliferation
Created by: atrang
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