General Flashcards

1
Q

Componentes del ADN

A

A, G, C, T

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2
Q

Componentes del ARN

A

A, G, C, U

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3
Q

Que unen los enlaces fosfodiester’

A

Unen nucleótidos

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4
Q

Que unen los puentes de hidrógenos?

A

Las 2 cadenas de ADN

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5
Q

Ley de Chargaff

A

Proporciones de:
A = T (son iguales)
G = C

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6
Q

Un nucleósido tiene…

A

SIMPLE
Base nitrogenada + pentosa

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7
Q

Un nucleótido tiene

A

Nucleósido + fosfato

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8
Q

Características del ADN

A

Doble cadena
Anti-paralela
Girohelicoidal
Complementaria
(tienen timina)

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9
Q

Características del ARN

A

Más abundante
Ribosa
Tiene uracilo
Un a sola cadena
5’-3’

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10
Q

Quién transporta el anticodón?

A

tRNA

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11
Q

Subunidad mayor de mRNA

A

60s
5s, 5.8s, 28s
49 proteínas

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12
Q

Subunidad menor del mRNA

A

40s
18s y 33 proteínas

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13
Q

Estructura de fibras de ADN

A

ADN 2nm
Fibra de nucleosoma 19nm
Fibra de solenoide 30nm
Bucles de solenoide 300nm
Espiral 700nm
Cromosoma 1400 nm

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14
Q

Quién tiene la información genética del ADN?

A

mRNA

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15
Q

Quién le transporta aminoácidos al rRNA?

A

tRNA

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16
Q

Quién lleva el codón?

A

mRNA

17
Q

Tipo de RNA que tiene 3 zonas

A

A: Accept
- se acepta el aminoacil T (se leen los primeros 2)
P: peptidic
- Se elonga cadena peptidica
Z: exit
- Sale

18
Q

Purinas

A

9c
A, G
2 anillos

19
Q

Pirimidinas

A

6c
C, T
3 anillos