Glycogen Metabolism

Question 1

What is the structure of Glycogen

Answer 1

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Question 2

Where is glycogen stored

Answer 2

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Question 3

What is glycogenin - where does G attach here?

Answer 3

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Question 4

What does Glycogen Phosphorylase catalyse

Answer 4

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Question 5

What is Glycogen Phosphorylase’s prosthetic group

Answer 5

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Question 6

how does Glycogen Phosphorylase work - where does it stop

Answer 6

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Question 7

Describe Debranching Enzyme - its 2 independent active sites

Answer 7

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Question 8

What does Phosphoglucomutase do

Answer 8

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Question 9

How can you get G-6-P to Glucose

Answer 9

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Question 10

How is UDP-G made?

Answer 10

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Question 11

What does Glycogen Synthase do

Answer 11

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Question 12

What does Branching Enzyme do

Answer 12

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Question 13

How are the enzymes of Glycogen Metabolism regulated

Answer 13

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Question 14

Describe the Glycogen Phosphorylase in the liver

Answer 14

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Question 15

How is the liver Glycogen Phosphorylase inactivated

Answer 15

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Question 16

How is Protein Phosphate 1 in the liver inhibited

Answer 16

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Question 17

Describe the Glycogen Phosphorylase in the muscles - what coenzyme is needed

Answer 17

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Question 18

What is the active and inactive form of Glycogen Phosphorylase in the muscles

Answer 18

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Question 19

Glycogen Phosphorylase in the muscles transition between relaxed and tense - which is active/inactive

Answer 19

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Question 20

Glycogen Phosphorylase in the muscles are subject to allosteric regulation - what does AMP do

Answer 20

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Question 21

Glycogen Phosphorylase in the muscles are subject to allosteric regulation - what does ATP do

Answer 21

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Question 22

Glycogen Phosphorylase in the muscles are subject to allosteric regulation - what does G-G-P do

Answer 22

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Question 23

What do Glucagon and Nadr activate

Answer 23

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Question 24

What activates cAMP formation in liver

Answer 24

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Question 25

What activates cAMP formation in muscles

Answer 25

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Question 26

What does Glucagon stimulate and inhibit

Answer 26

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Question 27

What does Nadr stimulate and inhibit

Answer 27

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Question 28

What does Adr stimulate.

Answer 28

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Question 29

What does Insulin stimulate and inhibit

Answer 29

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Question 30

What is the role of Ca2+ in muscle

Answer 30

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Question 31

What does Ca2+ do after stimulation of contraction

Answer 31

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Question 32

What are the 4 subunits of GP Kinase

Answer 32

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Question 33

What are glycogen storage diseases

Answer 33

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Question 34

What happens when there is a defect in a liver isoenzyme

Answer 34

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Question 35

What happens when there is a defect in a muscle isoenzyme

Answer 35

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