Extracción ácidos nucleicos
Quiz
•
Biology
•
8th Grade
•
Medium
Sù S
Used 14+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la primera etapa para obtener ácidos nucleicos purificados a partir de una muestra biológica?
Purificación de los ácidos nucleicos
Extracción de los ácidos nucleicos
Pretratamiento de la muestra
Todas las anteriores
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
¿Qué implica el proceso de extracción de ácidos nucleicos?
Liberación de los ácidos nucleicos
Inactivación de nucleasas celulares
Ninguna de las anteriores
Purificación del ADN resultante
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué función tienen las exonucleasas?
Cortar en puntos intermedios de la molécula
Cortar aleatoriamente
Cortar en sitios concretos
Eliminar nucleótidos desde un extremo
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
¿Cuál es la función principal de los detergentes en la solución de lisis?
Desestructurar la bicapa lipídica
Todas las anteriores
Inactivar nucleasas celulares
Desnaturalizar las proteínas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué agente se utiliza para atrapar los cationes de magnesio y así inhibir la actividad de las ADNasas?
Detergentes
Agentes caotrópicos
Proteasas
EDTA
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué enzima se utiliza para digerir los componentes de la pared en bacterias gram +?
ARNasa A
Lisozima
Proteinasa K
Zimolasa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué se debe hacer si la lisis celular no resulta suficiente?
Prolongar el protocolo
Añadir más solución de lisis
Reincubar la muestra
Todas las anteriores
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