Classement des a.a Flashcards

0
Q

Chargés - (2) (acide)

A

Acide aspartique

Acide glutamique

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1
Q

Aromatiques ?

A

Phenylalanine
Tyrosine
Tryptophane

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2
Q

Chargés + (3) (basique)

A

Lysine (K)
Arginine (R)
Histidine (H)

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3
Q

Polaires non chargés (6)

A
Serine (fct alcool)
Thréonine (fct alcool)
Tyrosine (aromatique, fct phénol)
Cysteine (fct souffrée)
Glutamine (amide)
Asparagine (amide)
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4
Q

Acides amines “indispensables” car pas de voie de biosynthèse : apport par la nourriture (8)
(Les indispensables l’on mange pour travailler très vaillamment)

A

Leucine, isoleucine, lysine, Methionine, phenilalanine, thréonine, tryptophane, valine

Leu, ile, lys, met, phe, thr, trp, val

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5
Q

Acides amines essentiels que l’organisme synthétise trop lentement (2)

A

Histidine et arginine

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6
Q

Masse d’un acide amine en Dalton (g/mol)

A

120 Da

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7
Q

Acides amines chiraux ? Donc avec au moins un carbone asymétrique

A

Tous à part la glycine, où la chaîne latérale = H

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8
Q

Acides aminés avec un groupement ionisable sur R? (7)

A
Cysteine
Tyrosine
Acide aspartique
Acide glutamique
Lysine
Arginine
Histidine
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9
Q

Groupement ionisable sur R de la cysteine?

A

SH > S-

Groupement thiol

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10
Q

Groupement ionisable sur R de la tyrosine

A

TyrOH > TyrO-

Groupement phénol

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11
Q

Groupement ionisable sur R de l’acide aspartique ?

A

Acide carboxylique en Bêta

COOH>COO-

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12
Q

Groupement ionisable sur R de l’acide glutamique ?

A

Acide carboxylique en gamma

COOH > COO-

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13
Q

Groupement ionisable sur R de la lysine ?

A

Amine en epsilon

NH3+ > NH2

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14
Q

Groupement ionisable sur R de l’arginine

A

Guanidinium

ArgNH2+ > ArgNH

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15
Q

Groupement ionisable sur R de l’Histidine

A

Cycle imidazole

HisNH+ > HisN