Aminoácidos Flashcards

1
Q

Aminoácidos que rompen el código genético

A
  • Selenocisteina
  • Pirrolisina
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2
Q

Aminoácidos del ciclo de la urea

A

Citrunila y ornitina

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3
Q

De donde viene la prolina

A

Glutamato

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4
Q

Derivados glutamato

A
  • Prolina
  • Glutamina
  • Arginina
  • Ornitina
  • GABA
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5
Q

De que aminoácidos viene la cisteina

A

De metionina y serina

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6
Q

Enzimas que reducen puentes disulfuro

A
  • beta-mercaptoetanol
  • dithiotreitol
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7
Q

Derivados generales de aminoácidos aromáticos

A
  • Pigmentos
  • Neurotransmisores
  • Hormonas tiroideas
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8
Q

Como se produce la Tyr?

A

Hidroxilación de phe por fenilalanina hidroxilasa

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9
Q

Enfermedad producida por déficit fenilalanina hidroxilasa

A

Hiperfenilalaninemia, forma más severa fenilcetonuria

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10
Q

Q aminoácidos pueden sufrir N-glucosilacion

A

Asparagina

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11
Q

Aminoácidos no proteincos

A
  • beta-alanina
  • GABA - Ácido Y-aminobutirico
  • ornitina y citrunila
  • homoserina e homocisteina
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12
Q

Beta-alanina + histidina =

A

Carnosina

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13
Q

Funciones B-alanina

A
  • funcionamiento metabolismo celular, sistema nervioso e inmunitario
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14
Q

Funciones GABA

A

Inhibidor sistema nervioso:
- regula el tono muscular
- reduce excitabilidad neuronal

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15
Q

De donde viene la homoserina

A

Del aspartato

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16
Q

Q aminoácidos se producen a partir de homoserina

A

Treonina y metionina

17
Q

Q aminoácido producen la citrunila y la ornitina

A

Arginina

18
Q

Q aminoácido nos da serotonina

A

Triptofano

19
Q

Q AA nos da auxinas

A

Triptofano

20
Q

Q AA nos da adenalina y noradrenalina

A

Tirosina

21
Q

Q AA nos da acetil-coA furomato

A

Tirosina

22
Q

El enlace peptidico es

A

Un enlace covalente tipo amida

23
Q

La configuración más favorable del enlace peptidico es la

A

Trans

24
Q

Q aminoácidos pueden sufrir glucosilacion

A

Ser, Thr y Asn