Metabolism 55 & 56 Flashcards

1
Q

Glucagon/Epinephrine promote

A
  • Gluconeogenesis

- Glycogenolysis

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

GLUT2 transporter

A

-insulin independent

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

GLUT4 transporter

A

-insulin dependent

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

Irreversible glycolytic enzymes (3)

A
  • Hexokinase/Glucokinase
  • Phosphofructokinase - 1 (PFK - 1)
  • Pyruvate Kinase
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Activators of PFK - 1

A
  • AMP

- Fructose 2,6 biphosphate

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

Inhibitors of PFK - 1

A
  • ATP

- Citrate

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

How is PFK - 2 regulated?

A
  • Glucagon/Epinephrine

- inactivates through phosphorylation by PKA

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

Effects of epinephrine on glycolysis

A
  • inhibits glycolysis in liver

- activates glycolysis in heart and muscle

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

How is Pyruvate kinase regulated?

A
  • Glucagon/Epinephrine cause inactivation thorugh phosphorylation by PKA
  • Insulin re-activates with phosphoprotein phosphatase
How well did you know this?
1
Not at all
2
3
4
5
Perfectly