
Separación de biomolec.
Authored by Valeria Palmieri
Chemistry
University
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si es una enzima lo que se purifica, se espera un aumento de AEE en cada paso de purificación.
Verdadero
Falso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando el pH del medio es mayor que pI de la proteína, esta tiene carga neta
Negativa
Positiva
Cero
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el pH del medio es 7 y el pI de la proteína es 5 en una electroforesis en gel de almidón, ¿hacia dónde migra?
Cátado (-)
Ánodo (+)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una columna de filtración molecular de Sephadex con un intervalo de fraccionamiento de 5000 a 400000 Da, separa proteínas de 524 y 482 kDa
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A una columna con resina con carga positiva y equilibrada a pH: 8, se pegan proteínas con pI=
6
8,5
Ambas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si usamos una columna de CM-celulosa, pKa= 4,5. Puedo usar un buffer con pH menor a 4,5 para equilibrar la columna
Verdadero
Falso
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