Aminosäureabbau Flashcards

1
Q

Nenne die ketogenen AS

A

Lysin

Leucin

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2
Q

Welche AS werden zu Pyruvat abgebaut?

A

Glycin
Alanin
Serin
Cystein

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3
Q

Welche AS werden in Glutamat umgewandelt?

A

Glutamin
Arginin
Histidin
Prolin

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4
Q

Wie wird Glutamat abgebaut?

A

Glutamat wird durch die Glutamatdehydrogenase zu alpha-Ketoglutarat oxidativ desaminiert

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5
Q

Wie werden Methionin und Valin abgebaut?

A

—> Propionyl-CoA —> Methylmalonyl-CoA —> Succinyl-CoA

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6
Q

Wie wird Threonin abgebaut?

A
  1. Über Glycin und Serin zu PYRUVAT
    oder
  2. Über alpha-Ketobutyrat zu Succinyl-CoA
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7
Q

Abbau von Asparagin

A

Desaminierung zu Aspartat, dann Transaminierung zu Oxalacetat

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8
Q

Abbau von Tyrosin

A

Zu Fumarat und Acetyl-CoA

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9
Q

Abbau von Phenylalanin

A

Abbau zu Fumarat und Acetyl-CoA

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10
Q

Abbau von Tryptophan

A

Umwandlung zu Alanin und Acetyl-CoA

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11
Q

Abbau von Isoleucin

A

Transaminierung zu Propionyl-CoA und Acetyl-CoA

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12
Q

Nenne die glucogenen Aminosäuren

A
Glycin
Alanin
Serin
Cystein
Threonin
Glutamat
Arginin
Histidin
Prolin
Methionin
Valin 
Aspartat
Asparagin
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13
Q

Nenne die AS, die sowohl glucogen als auch ketogen abgebaut werden können

A

Phenylalanin
Tyrosin
Tryptophan
Isoleucin

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