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Chapter 12 From a Cell to an Organism
McGraw Hill
12
Science
7th Grade
04/09/2014

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Term
Cell Cycle
Definition
Most cells in an organism go through a cycle of growth and development, and division
Term
Interphase
Definition
The period during the cell cycle of a cell's growth and development.
Term
Sister Chromatid
Definition
Two identical chromosones that make up a duplicated chromosome.
Term
Centromere
Definition
Structure that holds together chromatids.
Term
Mitosis
Definition
The nucleus and its contents divide.
Term
Cytokinesis
Definition
Cytoplasm and contents divide.
Term
Daughter Cells
Definition
The two new cells that result from mitosis and cytokenesis.
Term
Cell Differentiation
Definition
The process by which cells become different types of cells.
Term
Stem Cell
Definition
Unspecified cells that are able to develop into many different cell types.
Term
Tissues
Definition
Groups of similar types of cells that work together to carry out specific tasks.
Term
Organs
Definition
Groups of different tissues working together to perform a particular job.
Term
Organ Systems
Definition
Groups of different organs that work together to complete a series of tasks.
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