GLYCOGENOLYSIS

Question 0

Enzyme that breaks a 1,4 linkages

Catalyzes phosphorolysis

Answer 0

Glycogen phosphorylase

Question 1

Branched polymer of glucose (a 1,6)

Stored in liver and skeletal muscle

Answer 1

Glycogen

Question 2

2 forms of glycogen phosphorylase:

• active when phosphorylated
• active when dephosphorylated

Answer 2

A

B

Question 3

Cofactor of glycogen phosphorylase

Answer 3

PLP (vit B3)

Pyrodoxal phosphate

Question 4

Debranching enzymes (removes branching points)

Answer 4

4:4 glucosyl transferase

a 1,6 glucosidase

Question 5

Endpoint of glycogenolysis in skeletal muscle:

Answer 5

Glucose 6-phosphate

Question 6

Enzyme:

G6P ➡️ G1P

Answer 6

Phosphoglucomutase

Question 7

High energy phosphate combined with glucose

Answer 7

UDP Glucose

Question 8

It has the ability to transfer glucose unit to the primer of glycogenesis

Answer 8

UDP glucose

Question 9

Primer where you attached glucose units to lengthen chain of glycogen via a 1,4 linkage

Answer 9

Glycogenin

Question 10

Forms a 1,4 linkage

Answer 10

Glycogen synthase

Question 11

Enzymes that break a portion of the linear the transfer it to CARBON 6

Answer 11

Branching enzymes

Question 12

Branching enzymes:

Answer 12

Amylo (1-4) to (1-6) transglycosylase

Glycosyl (4-6) transferase

Question 13

End product of glycogenesis

Answer 13

Glycogen