Regulation Of Blood Glucose

Question 1

What are the actions of a pancreas?

Answer 1

• β-cells of pancreas
• α-cells of pancreas
• Insulin: glucagon ratio increases
• Activates tyrosine kinase receptors in target tissues
• Dephosphorylation of key enzymes
– Phosphoprotein phosphatase active

Question 2

Wat is the fate of doetary glucose in liver?

Answer 2

• Glucokinase
• Effect on glycogen metabolism
– Glycogenesis
– Glycogenolysis

• Pentose phosphate pathway
• Effect on
– Glycolysis
– Gluconeogenesis

Question 3

What occurs on a fed state in the liver?

Answer 3

• Glucokinase
• PFK-1
• Pyruvate kinase
• Long term

Question 4

What occurs in to glucose in adipose tissue a d muscle?

Answer 4

Adipose tissue 
– GLUT-4
– TAG
• Muscle:
 – GLUT-4
– Glycogen