Eval TP Flashcards

0
Q

Coefficient directeur courbe

A

Yb-Ya/Xb-Xa

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1
Q

Facteur dilution

A

Vf/Vi ou bien Ci/Cf

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2
Q

Colonne échangeuse d’anions

A

Charges positives

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3
Q

Colonne échangeuse de cations

A

Charges négatives

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4
Q

Forme anionique

A

A-

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5
Q

Forme cationique

A

A+

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6
Q

Ninhydrine ?

A

Tous acides aminés sauf proline.

Coloration violette

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7
Q

Isatine ?

A

Proline

Coloration verte

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8
Q

Solution acide

A

pH sous 7, solution riche en ions H+

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9
Q

Cation ? Zwitterion ? Anion ?

A

AA+, pKa1
AA0, pI
AA-, pKa2

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10
Q

Calcul pI

A

pKa1+pKa2/2

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11
Q

Activité totale

A

Activité enzymatique x volume total fraction (U)

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12
Q

Activité spécifique

A

Activité totale/ mg protéine mL (U/mg)

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13
Q

Activité enzymatique

A

Par rapport aux DO ou coefficient directeur de la courbe. Multiplier par facteur de dilution. Attention si on veut en mL et qu’on a mis 0,1mL de fraction pour faire la spectro on multiplie encore par 10 par exemple ! (U/mL de fraction)

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14
Q

Enrichissement

A

Activité spécifique (E1) / activité spécifique (F0)

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15
Q

Rendement

A

Activité totale (E1) / activité totale (F0)

%