
Lezione 23/3/2022
Authored by Anna MARABOTTI
Science, Biology, Chemistry
University
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una tecnica ad alta risoluzione...
...separa le varie componenti di una miscela in modo molto efficiente
permette di maneggiare grandi quantità di materiale
permette di recuperare una grande quantità di sostanza
permette di purificare molto la sostanza di interesse
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cos'è l'attività specifica di un enzima?
La quantità di enzima che converte in prodotto una micromole di substrato
Le unità di enzima in una frazione di miscela rispetto alla quantità totale di proteine
La capacità di un enzima di riconoscere esclusivamente un substrato
Nessuna delle altre definizioni è corretta
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Se un saggio enzimatico dà un alto numero di falsi positivi, significa che:
E' specifico
E' sensibile
E' selettivo
E' attivo
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Per la lisi di quale tipo di cellule è adatta una French press
Tessuti vegetali
Cellule eucariotiche
Batteri
Tessuti molli
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Che funzione ha TRIS in un tampone di lisi cellulare?
Agente riducente
Inibitore di proteasi
Tampone
Chelante
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