Fructose and Galactose Metabolism

Question 1

Where can we get fructose from?

Answer 1

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Question 2

What is the structure of sucrose

Answer 2

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Question 3

Where is fructose absorbed from and what GLUT?

Answer 3

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Question 4

What enzymes metabolised fructose and in what organ

Answer 4

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Question 5

How is fructose converted into F-6-P - where does this occur?

Answer 5

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Question 6

How is fructose converted into F-1-P? where does this occur?

Answer 6

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Question 7

How is F-1-P converted into Glyceraldehyde

Answer 7

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Question 8

How is Glyceraldehyde converted into GA-3P

Answer 8

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Question 9

What causes essential fructosuria

Answer 9

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Question 10

What organs does fructosuria affect

Answer 10

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Question 11

What symptoms are of Fructosuria

Answer 11

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Question 12

What causes Hereditary Fructose Intolerance

Answer 12

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Question 13

What organs does Hereditary Fructose Intolerance affect

Answer 13

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Question 14

An accumulation of F-1-P in the liver does what?

Answer 14

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Question 15

What are the symptoms of Hereditary Fructose Intolerance

Answer 15

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Question 16

Describe the structure of galactose

Answer 16

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Question 17

What does galactokinase do?

Answer 17

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Question 18

What enzyme converts Galactose-1-P into UDP-Galactose

Answer 18

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Question 19

What enzyme can cause conversion between UDP-Galactose and UDP-Glucose

Answer 19

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Question 20

How can you make lactose from G

Answer 20

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Question 21

What is Galactosemia - what enzyme defects cause this

Answer 21

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Question 22

What is Galactosuria - what disorder is this a symptom of

Answer 22

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Question 23

What is Galactitol - what reduces this

Answer 23

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Question 24

What is non-classical galactosemia

Answer 24

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Question 25

What is classical galactosemia

Answer 25

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Question 26

What are the symptoms of classical galactosemia

Answer 26

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