
5-Lisi cellulare e centrifugazione

Quiz
•
Science, Biology, Chemistry
•
University
•
Hard
Anna MARABOTTI
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Per la lisi di quali cellule è adatto il lisozima?
Cellule batteriche
Cellule animali
Cellule vegetali
Tessuti
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual è il ruolo dell'EDTA in un tampone per lisi cellulare?
Inibire le DNAsi
Attivare le proteasi
Ridurre i ponti disolfuro
Mantenere il pH della soluzione
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quale tra i seguenti fattori influenza negativamente la sedimentazione di una particella?
Il peso della particella
La viscosità della soluzione
Il campo centrifugo
La distanza dall'asse di rotazione
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quale tra le seguenti entità biologiche ha il maggiore coefficiente S?
proteina
ribosoma procariote
ribosoma eucariote
mitocondrio
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cosa serve una ultracentrifuga?
A raccogliere grandi volumi di preparazione
A recuperare batteri
A caratterizzare macromolecole pure
A recuperare cellule animali
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