núcleo Flashcards

1
Q

contenido núcleo

A

nucleoplasma
nucleólos (uno o más)
rARN (incluso maduros

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

complejo poro nuclear

A
  1. porina
  2. dominio fenilalanina-glicina
  3. anillo citoplasmático
  4. canasta nuclear
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

¿dónde maduran los ribosomas?

A

núcleo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

moléculas con importinas

A

ensamblaje + maduración ribosomas
FT
factor replicación

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

moléculas con exportadoras

A
  • mRNA + tRNA
    -subunidad ribosomal
    -FC
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

cromatina

A

ADN + proteínas asociadas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

nucleosoma

A

DNA da 1.8 al octámero

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

forma menos común de la cromatina

A

collar perlas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

activadores transcripción

A

acetilación lisina
metilacion H3K4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

represión

A

metilación H3K9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

fosforilación

A

no es siempre igual
generalmente activa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

ubiquitación

A

poliubiquitnación (degradación histonas)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

función snRNA

A

maquinaria splicing y correccción
formación pre-mRNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly