Cromosomas Flashcards

1
Q

Estructura compacta y ordenada que
resulta del plegamiento del ADN:

A

Cromosoma

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2
Q

Constituido por un centrómero
(cinetocoro), telómeros y origen de
replicación:

A

Cromosoma

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3
Q

Clasificación de acuerdo a su posición centromérica:

A

Metacentricos, Submetacentricos, Acrocentricos

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4
Q

Tipos de cromosomas:

A
  • Plumulados
  • Politénicos
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5
Q

Para formar un cromosoma:

A

✓Cromatina
✓Proteínas especializadas
✓Nucleosomas

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6
Q

Complejo de ADN y proteínas:

A

Cromatina

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7
Q

Proteínas especializadas:

A

Histonas y no histonas

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8
Q

Partículas unitarias de la cromatina,
formados por histonas:

A

Nucleosomas

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9
Q

Clasificación de histonas:

A
  • Histonas nucleosómicas
  • Histonas H1
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10
Q

Se encuentran cada 200 pb:

A

Nucleosoma

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11
Q

Tipos de histonas:

A

✓Fosforilaciones
✓Acetilaciones
✓Metilaciones
✓Ubiquitinaciones

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12
Q

Complejo de nucleoproteína al final de los cromosomas eucariontes, conformados por ADN (TTAGGG)n, localizadas al final del cromosoma:

A

Telómeros

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