ADN. Flashcards

1
Q

El DNA tiene bases nitrogenadas…

A

Hidrófobas (orientadas al interior).

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2
Q

Adenina se une a:

A

timina

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3
Q

Guanina se une a:

A

citosina

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4
Q

Ley de Chargaff.

A

A = T, C = G.

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5
Q

Características del DNA.

A
  • Nucleótidos.
  • Cantidad de purinas igual a la de pirimidinas.
  • Doble cadena.
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6
Q

La doble cadena de DNA es:

A
  • Antiparalela.
  • Giro helicoidal.
  • Complementaria.
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7
Q

Variantes de la cadena de DNA:

A
  • Forma A.
  • Forma B.
  • Forma Z.
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8
Q

Variante de la cadena donde el DNA está deshidratado (in vitro).

A

Forma A.

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9
Q

Variante de la cadena donde el DNA es cromosómico.

A

Forma B.

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10
Q

Variante de la cadena de DNA donde las secuencias de purinas y pirimidinas están alternadas (repeticiones de CG).

A

Forma Z.

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