Which Statement Is TRUE of Muscle Glycogen Phosphorylase?
A) It $\alpha$

question 76

Multiple Choice

Which statement is TRUE of muscle glycogen phosphorylase?

• A) It catalyzes phosphorolysis of the (\(\alpha\)1 \(\rightarrow\) 6) bonds at the branch points of glycogen.
• B) It catalyzes the degradation of glycogen by hydrolysis of glycosidic bonds.
• C) It degrades glycogen to form glucose 6-phosphate.
• D) It exists in an active (a) form and an inactive (b) form that is allosterically regulated by AMP.
• E) It removes glucose residues from the reducing ends of the glycogen chains.

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Definitions:

Mitosis

A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

Contractile Ring

A band of protein fibers that forms in the middle of a cell during cytokinesis, leading to cell division.

Actin Filaments

Protein filaments in the cytoskeleton of eukaryotic cells, playing a key role in cell movement, shape, and division.

Animal Cells

Eukaryotic cells characterized by the absence of a cell wall, presence of membrane-bound organelles, and the ability to move at some point in their life cycle.