Glucolisis Flashcards

1
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Reacciones irreversibles de la glucolisis (exergonicas)

A

. hexocinasa (glucosa -> glucosa 6 fosfato)
. PFK- fosfofructocinasa (fructosa 6 fosfato -> fructosa 1, 6 fosfato)
. Piruvato cinasa (Pep -> piruvato y ATP)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

paso limitante de la glucólisis

A

PFK
fosfofructocinasa

pasa Fructosa 6 fosfato a fructosa 1,6 fosfato

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

donde sucede la glucolisis

A

citoplasma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

vía metabólica que produce lactato
y contribuye a la contracción del músculo esquelético

A

Glucolisis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

células pancreáticas liberadoras de insulina

A

Celulas B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

enzima que corta la fructosa 1, 6 bisfosfato en G3P y DHAP

A

Aldolasa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

1 molecula de glucosa me da ….G3P ´s

A

1 mol glucosa -> 2 G3P

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

…..es la enzima que modifica PEP me da …

A

Piruvato cinasa transforma PEP x2 …en 2 piruvatos y 2 ATP´s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

la fosforilacion de glucosa-6-fosfato puede considerarse …

A

irreversible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

glucosinasa se encarga de

A

fosforila glucosa.
.eliminar la glucosa de la sangre portal hepatica despues de comer, la mete a las celulas.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Reaccion fosfofructocinasa

A

PFK1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Tienen un papel principal en la regulación de la velocidad de la glucolisis

A

PFK1,
Reacción fosfofructocinasa
“Rate limiting step”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Gliceraldehido 3 fosfato

A

G3P

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

enzima pancreática, que normalmente actúa como sensor de glucosa. Convierte la glucosa en glucosa-6-fosfato.

A

Glucocinasa
La glucocinasa está presente en los hepatocitos del hígado y en las células beta del páncreas.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly