RIBOSOMA Flashcards

1
Q

VALOR S DE SUB UNIDADES RIBOSOMA EUCARIOTICO

A

40s y 60s

TOT 80s

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2
Q

VALOR S DE SUB UNIDADES RIBOSOMA PROCARIOTICO

A

30s y 50s

TOT: 70s

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3
Q

SUB UNIDAD MENOR

A

18s y 33 proteinas

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4
Q

SUB UNIDAD MAYOR

A

18s, 5.8s, 28s, 5s y 49 proteasomas

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5
Q

DONDE SE HAYA EL 5S DE LA SUBU MAYOR Y DONDE LOS DEMAS

A

NUcleo y los demas en el nucleolo

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6
Q

ERGOTOPLASMA

A

RER con ribosomas

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7
Q

3 FORMAS DE BASOFILIA

A

DIfusa: celulas embrionarias y citoplasmaticas
Grumos: hepatocitos y neuronas
Localizada : pancreas

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8
Q

INHIBIDORES DE LA SINTESIS PROTEICA RIBOSOMICA

A

PUROMICINA Y ACTINOMICINA D

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9
Q

SINTESIS RIBOSOMAS COMO ESYA COMPUESTA

A
  • SItio fijacion aminos
    T loop
    D loop
    Anticodon
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10
Q

T LOOP QUE HACE

A

Une ARNt con ribosomas

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11
Q

D LOOP QUE HAXCE

A

Reconoce la RNA aminoacil sintasa

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12
Q

ANTICODON QUE REGONES TIENE

A

UAGG
UAG
UGA

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13
Q

REGIONES DE LA SINTESIS DE RIBOSOMAS

A

A: contiene al amino
P: peptidil RNAt
E: deja su amino y sale

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14
Q

RNAt INCIADOR

A

unido a metionina

Zona P

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15
Q

CAPERUZA 5 HACE

A

se une con subu menor del ARNm y busca codon AUG y se une formando metionina
Subu 18s

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16
Q

QUE HACE EL RNAt EN LA SINTESIS

A

Dona amino

17
Q

CUANTAS VECES SE MUEVEN LAS SUBU PARA LLEGAR A ZONA E

A

3

18
Q

CODON DE TERMINACION UAA, UAG, UGA

A

Entra factor liberacion y saca polipeptido y separa sub u ribosomales

19
Q

MODIFICACION POSTRADUCCIONALES PROTEICAS IRREVERSIBLE

A

Glucosilacion

20
Q

DESTINO PROTEINAS DE RETICULO

A

Glicosiladas al ap golgi o lisosomas