DNA y RNA Flashcards by Maitena Calderón | Brainscape

Q

1 a 6 átomos de carbono

A

Pirimidinas

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Q

1 a 9 átomos de carbono

A

Purinas

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Q

Purinas

A

Adenina
Guanina

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Q

Pirimidinas

A

Citosina
Timina
Uracilo

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Q

Pentosa con OH

A

Ribosa

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Q

Pentosa con H

A

Desoxirribosa

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Q

Nucleotido

A

Pentosa
Base nitrogenada
Grupo fosfato

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Q

Nucleosido

A

Pentosa
Base nitrogenada

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Q

¿Cómo se unen los nucleótidos?

A

Enlaces fosfodiéster

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Q

¿Cómo se unen las bases nitrogenadas?

A

Puentes de hidrógeno

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Q

Ley de Chargaff

A

Adenina - Timina

Citosina - Guanina

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Q

Características del DNA

A

Nucleótidos
Antiparalela
Giro helicoidal
Complementaria

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Q

Las 4 histonas del ADN son…

A

H2A, H2B, H3 y H4

(H1 sostiene todo el conjunto)

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Q

Características del RNA

A

Más abundante
Una sola cadena
Ribosa
Uracilo
5’ a 3’

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Q

Enlace entre una pentosa y una base nitrogenada

A

N-Glucosídico
(covalente)

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Q

Enlace entre una pentosa y una base nitrogenada

A

N-Glucosídico
(covalente)