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Chapter 3 Life Science
Flash cards for chapter 3 McDougal Littel
9
Science
7th Grade
10/07/2009

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Term

 

cell cycle
Definition

 

The normal sequence of growth, maintenance, and division in a cell.
Term

 

interphase
Definition

 

The period in the cell cycle in which a cell grows, maintains itself, and prepares for division.
Term

 

mitosis
Definition

 

The phase in the cell cycle during which the nucleus divides.
Term

 

cytokinesis
Definition

 

The division of a parent cell’s cytoplasm following mitosis.
Term

 

asexual reproduction
Definition

 

The process by which a single organism produces offspring that have the same genetic material.
Term

 

binary fission
Definition

 

A form of asexual reproduction by which some single-celled organisms reproduce. The genetic material is copied, and one cell divides into two independent cells that are each a copy of the original cell.
Term

 

regeneration
Definition

 

In some organisms, the process by which certain cells produce new tissue growth at the site of a wound or lost limb; also a form of asexual reproduction.
Term

 

DNA
Definition

 

The genetic material found in all living cells that contains the information needed for an organism to grow, maintain itself, and reproduce. Deoxyribonucleic acid.
Term

 

chromosome
Definition

 

The physical structure in a cell that contains the cell’s genetic material.
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