In muscle tissue, the ratio of phosphorylase a to phosphorylase b determines the rate of conversion of glycogen to glucose 1-phosphate. Classify how each event affects the rate of glycogen breakdown in isolated muscle tissue. Increased rate Decreased rate No change Answer Bank treatment with insulin addition of a phosphatase inhibitor treatment with epinephrine addition of a kinase inhibitor addition of phosphatase PP1 AMP allosteric binding activates phosphorylase b treatment with glucagon [ATP] exceeds [AMP]
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In muscle tissue, the ratio of phosphorylase a to phosphorylase b determines the rate of conversion of glycogen to glucose 1-phosphate. Classify how each event affects the rate of glycogen breakdown in isolated muscle tissue. Increased rate Decreased rate No change Answer Bank addition of a phosphatase inhibitor treatment with insulin [ATP] exceeds [AMP] end of fight-or-flight response addition of phosphorylase b kinase Ca2+ binding to phosphorylase b kinase removal of phosphate groups from phosphorylase a treatment with glucagon
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