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Mitosis
Hanible - Quiz 4
7
Biology
Undergraduate 1
11/27/2007

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Term
Mitosis
Definition
  • cellular reproduction in eukaryotic cells;
  • nuclear division that produces genetically identical cells;

occurs in the somatic (body) cells; Divided into five phases.

Term
Interphase
Definition

Phase One if Mitosis and has three sub phases:

 

g1- the replication of cellular components;(everyting except the nucleus)

 

S- dna replication

 

g2 - check point (no replication occurs in this phase)

Term
Prophase
Definition

Second phase in Mitosis:

 

  • in this phase dna changes from chromatin (loose and scattered) to chromosome (tightly coiled).

 

The nucleus will also disappear in this phase.

Term
Metaphase
Definition

Third phase in Mitosis. 

dna lines up in the center of the cell

Term
Anaphase
Definition

The fourth phase in Mitosis. 

the seperation of replicated dna.

Term
Telephase
Definition

The last phase of Mitosis when the dna changes from chromosome back to chromatin. The nucleaus will also reappear.

 

Cytokinesis also occurs in this phase.

Term
Cytokinesis
Definition

Occurs in Telephase. 

The seperation of the cytoplasm.

 

The two types:

 

cell plate formation: in plant cells

clevage farrow: in animal cells

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