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chromosomes
n/a
21
Biology
10th Grade
02/12/2009

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Term
chromasome
Definition

rod shaped structures made of DNA & protien

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Term
histones
Definition
help maintain the shape of the cromosone and aid in tight packing of DNA
Term
chromatid
Definition

help  with the movment of chromosons in cell division

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Term

centromere

Definition

the center were the chromatids conect

 

Term
sex chromasomes
Definition
Determain the sex of the organism
Term
haploid
Definition

cells that carry half the number of chromasomes

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Term
what are th e steps to interphase?
Definition

G1 S G2

 

Term

what happenes in G1?

 

Definition
Primary growth
Term
what hapenes in s phase
Definition
replucation
Term
what hapens in g2
Definition

peparation

 

Term

1st step of mitosis?

Definition

Prophase

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Term
2nd step
Definition
metaphase
Term

third step

 

Definition
anaphase
Term
4th stage
Definition
telaphase
Term
what hapens in prophase
Definition

tighten the coils of DNA into chromosonmes 

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Term
what happens in metaphase?
Definition

chromosomes alighn

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Term
what happens in annaphase/
Definition

chromosomes separate

ana = apart

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Term
what happens in tellaphase
Definition

recreat nucleus

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Term
what happens in cytokenisis
Definition

splits sell/ clevage furrow

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Term
cell plate
Definition

divides cell in cytokenisis

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