Cell division occurs with a proper timing Cell division is coordinated with the development program...

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Transcript of Cell division occurs with a proper timing Cell division is coordinated with the development program...

Page 1: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.
Page 2: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.
Page 3: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.
Page 4: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.
Page 5: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.

Cell division occurs with a proper timing

Cell division is coordinated with the development program of the organism

Cell division is coordinated with cell growth

Page 6: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.
Page 7: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.

derme

células em

divisão

Células em migração

Células mortas à superfície da pele

Excesso de proliferação leva ao aparecimento de tumores

Células em divisão excessiva

tumor

Aparecimento de tumores por divisão celular excessiva

Page 8: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.

Interfase

Mitose

Page 9: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.

Onion

Human

Semelhanças na divisão do cariotipo humano e de cebola

Page 10: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.

Cariotipo normal

Page 11: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.

Cariotipo de uma célula cancerosa

Page 12: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.

Divisões celulares anormais que levam ao aparecimento de tumores

Divisão normal Divisão anormal

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Page 23: Cell division occurs with a proper timing Cell division is coordinated with the development program of the organism Cell division is coordinated.
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Eventos que provocam uma paragem no ciclo celular(Pontos de controlo)

Dano no DNA

Problemas na

replicação

Dano no DNA

Cromossomas mal ligados

ao fuso

Defeitos nos centrómeros

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