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Si se quiere realizar una extracción "profesional" puedes agregar enzimas que lo puede hacer mejor, y elproducto que resultaría seria pura.
Cuando añadas el alcohol frío debes hacerlo de forma que resbale por las paredes del tubo para que forme una capa sobre el filtrado. Para realizarlo mejor puedes utilizar la varilla de vidrio o una cucharilla para ayudarte.
Si se expone por mucho tiempo la muestra vegetal a rayos ultravioletas, esto provoca daños sobre la estructura del ADN, o aplicar ciertosconservantes que puedan provocar efectos sobre la cadena del ADN.
Monografias.com
Resultados y explicación
El producto filamentoso obtenido de la extracción no es ADN puro ya que, entremezclado con él, hay fragmentos de ARN. Una extracción "profesional" se realiza añadiendo enzimas que fragmentan las moléculas de ARN e impiden que se unan al ADN.
Para realizar una extracción pura ocurrirá que el...