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Conceptos básicos Flashcards

(25 cards)

1
Q

Cinasa

A

Añade un grupo fosfato

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2
Q

Fosfatasa

A

Elimina un grupo fosfato

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3
Q

Sintasa

A

Síntesis de alguna molécula

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4
Q

Carboxilasa

A

Incorpora un CO2

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5
Q

Isomerasa

A

Cambia la estructura pero mismos componentes

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6
Q

Descarboxilasa

A

Elimina un CO2

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7
Q

Deshidrogenasa

A

Transfiere iones de hidruro

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8
Q

Mutasa

A

Transfiere un grupo funcional a una nueva localización de la misma molécula

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9
Q

Catabolismo

A

→ Degradación de macromoléculas a monómeros
-exotérmica (produce energia/calor)

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10
Q

Anabolismo

A

De chiquito a grande
→ Formación de macromoléculas a monómeros
-endotérmica (necesita energía/calor)

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11
Q

Anfibólica

A

Involucra tanto catabolismo como anabolismo

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12
Q

Triglicéridos

A

1 glicerol + 3 ácidos grasos
Lípidos no usados para energía que se almacena en tejido adiposo
Provienen de:
- Mantequilla
- Aceites

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13
Q

Estado postprandial

A

Después de comer. Grandes cantidades de carbohidratos y glucosa

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14
Q

Qué son las reservas de carbohidratos?

A

Glucógeno en hígado y músculos

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15
Q

Qué son las reservas de lípidos?

A

Triacilgliceroles en el tejido adiposo

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16
Q

Monosacáridos más abundantes en la naturaleza

17
Q

Disacárido más abundante en la naturaleza

A

Sacarosa (azúcar de mesa)

18
Q

Polisacárido más abundante en la naturaleza

A

Celulosa
Almidón
Glucógeno

19
Q

Función de la celulosa

A

Encontrado en alimentos con fibra → ayuda a la digestión (estreñimiento)

ESTRUCTURA: cadena

20
Q

Cuantos carbonos tiene la fructosa?

21
Q

Estructura de lactosa

A

2 glucosas
beta-1,4

22
Q

Función del almidón

A

Polisacárido (amilosa + amilopectina)
Principal reserva de energía en plantas
ESTRUCTURA: ramificaciones

23
Q

Principal polisacárido de energía en plantas

24
Q

Principal polisacárido de energía en animales

A

Glucogeno
(músculos e hígado)

25
Qué sucede cuando la glucosa no se puede almacenar como glucógeno?
Se almacena como grasa