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Biocell > Mitosis > Flashcards

Mitosis Flashcards

1
Q

La replicación del DNA puede ser de dos tipos:

A

Semiconservativa

Cohesina (mantiene unidas a las cromatinas)

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2
Q

Durante la fase __ se sintetiza la DNA polimerasa, ligasa, topoisomerasa, H1, H2a, H2b, H3 y H4

A

Síntesis

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3
Q

Durante la fase __ se duplican los centrosomas

A

Síntesis

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4
Q

La regulación del ciclo celular está dada por:

A

Ciclinas (cdc)

Proteínas cinasas dependientes de ciclinas (kdc)

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5
Q

La regulación del ciclo celular consiste en examinar:

A

Estado nutricional
Masa celular
Procesos de crecimiento
Estado del DNA

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6
Q

Son proteínas que se acumulan en la interfase y se destruyen en mitosis

A

Ciclinas A, B, D y E

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7
Q

La Cdk 4 y 6, y las ciclina D regulan:

A

De G1 a S

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8
Q

La Cdk2 y ciclina A regulan:

A

De S a G2

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9
Q

La Cdk1 y clicina A,B regulan:

A

G2 a M

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10
Q

Las cdk necesitan a la:

A

CAK (cinasa activadora de cdk)

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Biocell (19 decks)

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