Which statement is TRUE of glycogen synthase?
A) Activation of the enzyme involves a phosphorylation.
B) It catalyzes addition of glucose residues to the nonreducing end of a glycogen chain by formation of ($\alpha$1 $\rightarrow$ 4) bonds.
C) It uses glucose-6-phosphate as donor of glucose units
D) It catalyzes addition of glucose residues at branch points by formation of ($\alpha$1 $\rightarrow$ 6) bonds.
E) The enzyme has measurable activity only in liver.

Question

Which statement is TRUE of glycogen synthase?
A) Activation of the enzyme involves a phosphorylation.
B) It catalyzes addition of glucose residues to the nonreducing end of a glycogen chain by formation of ($\alpha$1 $\rightarrow$  4) bonds.
C) It uses glucose-6-phosphate as donor of glucose units
D) It catalyzes addition of glucose residues at branch points by formation of ($\alpha$1 $\rightarrow$  6) bonds.
E) The enzyme has measurable activity only in liver.

Quizplus · Accepted Answer

Glycogen synthase catalyzes the addition of glucose residues to the nonreducing end of a glycogen chain through the formation of alpha-1,4-glycosidic bonds, which is essential for the synthesis and elongation of glycogen.

Which Statement Is TRUE of Glycogen Synthase? A) Activation of the Enzyme

Which Statement Is TRUE of Glycogen Synthase?
A) Activation of the Enzyme