30 Questions
Which of the following is an allosteric activator of glycogen synthase b in both liver and muscle?
Glucose 6-phosphate
What is the effect of low glucose and energy levels on glycogenolysis?
It increases
What is the effect of AMP on muscle glycogen phosphorylase?
It activates it
What is the effect of glucose 6-phosphate on glycogen phosphorylase a?
It inhibits it
What is the role of allosteric regulation in glycogenesis and glycogenolysis?
It allows rapid response to the needs of a cell
Which enzyme is responsible for glycogenolysis?
Glycogen phosphorylase
What is the effect of high substrate availability and energy levels on glycogenesis?
It increases
Which enzyme is allosterically activated by glucose 6-phosphate?
Glycogen synthase b
What is the effect of ATP on glycogen phosphorylase a?
It inhibits it
What is the function of allosteric regulation in relation to hormone-mediated covalent regulation?
It can override the effects of hormone-mediated covalent regulation
Which of the following is an allosteric activator of glycogen synthase b in both liver and muscle?
Glucose 6-phosphate
What is the effect of low glucose and energy levels on glycogenolysis?
It increases
What is the effect of AMP on muscle glycogen phosphorylase?
It activates it
What is the effect of glucose 6-phosphate on glycogen phosphorylase a?
It inhibits it
What is the role of allosteric regulation in glycogenesis and glycogenolysis?
It allows rapid response to the needs of a cell
Which enzyme is responsible for glycogenolysis?
Glycogen phosphorylase
What is the effect of high substrate availability and energy levels on glycogenesis?
It increases
Which enzyme is allosterically activated by glucose 6-phosphate?
Glycogen synthase b
What is the effect of ATP on glycogen phosphorylase a?
It inhibits it
What is the function of allosteric regulation in relation to hormone-mediated covalent regulation?
It can override the effects of hormone-mediated covalent regulation
Which of the following is true about glycogenesis?
It is stimulated when substrate availability and energy levels are high
What is the effect of glucose 6-phosphate on glycogen synthase b in both liver and muscle?
It is allosterically activated
What is the effect of glucose 6-phosphate on glycogen phosphorylase a?
It is allosterically inhibited
What is the effect of ATP on glycogen phosphorylase a?
It is allosterically inhibited
What is the effect of AMP on muscle glycogen phosphorylase?
It is allosterically activated
What is the effect of glucose and energy levels on glycogenolysis?
It is stimulated when glucose and energy levels are low
Which enzyme responds to the levels of metabolites and energy needs of the cell?
Both glycogen synthase and glycogen phosphorylase
What is the purpose of allosteric regulation in glycogen metabolism?
To override the effects of hormone-mediated covalent regulation
Which molecule allosterically activates glycogen synthase b in both liver and muscle?
Glucose 6-phosphate
Which molecule allosterically inhibits glycogen phosphorylase a?
Glucose 6-phosphate
"Test Your Knowledge on Allosteric Regulation of Glycogen Metabolism" - Take this quiz to enhance your understanding of how glycogen synthase and glycogen phosphorylase respond to the energy needs of cells. Learn about the factors that stimulate glycogenesis and glycogenolysis, and how allosteric regulation plays a crucial role in maintaining glucose levels in the body. Perfect for students and health enthusiasts looking to deepen their understanding of cellular metabolism.
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