Storage of Carbohydrates

Question 1

List 3 ways that carbohydrates can be stored in the body:

Answer 1

Blood glucose
Liver glycogen
Muscle glycogen

Question 2

Which store of carbs has the largest deposit of stored glucose?

Answer 2

Muscle glycogen (nearing 400-500g, depending on body size and training adaptations.)

Question 3

What is the normal concentration for blood glucose?

Answer 3

3-5 mmol per litre of blood.

Question 4

How is blood glucose regulated?

Answer 4

Blood glucose is closely regulated by hormones.

Glucose and glucose-related metabolites are a primary cerebral fuel.

Question 5

What are liver glycogen stores used for?

Answer 5

Blood glucose regulation

Question 6

What are muscle glycogen stores used for?

Answer 6

ATP resynthesis during exercise.

Question 7

What is glycogenesis?

Answer 7

The formation of glycogen from sugar molecules.

Question 8

What is gluconeogenesis?

Answer 8

The formation of glycogen from amino acids, fats, and other on-carbohydrates.

Question 9

What is glyconolysis?

Answer 9

Breakdown of glycogen into glucose, catalysed by the glycogen phosphorylase enzyme.