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Molecular/Celullar Biology > Citoesqueleto > Flashcards

Citoesqueleto Flashcards

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1
Q

Red compleja de filamentos proteicos

A

Citoesqueleto

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2
Q

Función del citoesqueleto

A
  • Sostiene el gran volumen citoplasmático
  • Diversos movimientos mecánicos
  • Controla localización de los organelos y su transporte
  • Formación del huso mitotico
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3
Q

Tipos de filamentos proteicos

A

Filamentos intermedios (mitad)
Microtubulos (más gruesos)
Filamentos de actina (más delgados)

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4
Q

Principal función del citoesqueleto

A

Permitir que la célula tolere fuerzas mecánicas relacionadas con el estiramiento

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5
Q

Los filamentos intermedios están compuesta por:

A

Proteínas fibrosas alargadas (N-terminal, cabeza y C-terminal, cola)
Dominio bastoniforme alargado central

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6
Q

Tipos de filamentos intermedios

A

Queratina (Citoplasmáticos)
Vimentina (Citoplasmáticos)
Neurofilamentos (Citoplasmáticos)
Láminas nucleares (Nuclear)

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7
Q

Mutación de queratina

A

Epidermolisis ampollar

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8
Q

Proteínas accesorias que refuerzan los filamentos intermedios

A

Plectina y vimentina

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Molecular/Celullar Biology (10 decks)

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