Biochemistry

Question 1

What are the enzymes that are stimulated by glucagon in gluconeogenesis ?

Answer 1

1. Pyruvate carboxylase
2. Phosphoenol pyruvate carboxy kinase
3. Fructose-1,6- biphosphatase
4. Glucose-6-phosphatase

Question 2

What are the enzymes inhibited by glucagon in glycolysis?

Answer 2

1. Glucokinase
2. Phosphofructokinase 1
3. Pyruvate kinase

Question 3

What are the enzyme responsible for glycogenesis ?

Answer 3

1. Glycogen synthase

2. Branching enzyme

Question 4

What are the enzymes responsible for glycogenolysis

Answer 4

1. Glycogen phosphorylase
2. Debranching enzyme
   A. 4:4 transferase activity
   B. Amylo- alpha (1-6)- glucosidase activity