Choose the Correct Answer from the List Below

Choose the correct answer from the list below. Not all of the answers will be used.
-____________ is the end of glycogen where interconversion between the open and closed conformation of the anomeric carbon is possible

A) reducing
B) α-1,6-glycosidic
C) phosphorylase kinase
D) α-1,4-glycoside
E) nonreducing
F) phosphorylase a
G) glucose 6-phosphatase
H) UTP-glucose
I) calmodulin
J) phosphorolysis
K) epinephrine
L) glucagon