Glycogen is the body’s storage form of glucose. When glycogen is degraded, glucose 1-P is formed....

Glycogen is the body’s storage form of glucose. When glycogen is degraded, glucose 1-P is formed. Glucose 1-P can then be isomerized to glucose 6-P. Starting with glucose 1-P and ending with two molecules of pyruvate, what is the net yield of glycolysis in terms of ATP and NADH formed?

Expert Solution

queen_honey_blossom answered 1 year ago

1. Glycogen: a.) Is mainly broken down to glucose-1-P by glycogen synthase b.) Has branch chains that...

1. Glycogen: a.) Is mainly broken down to glucose-1-P by glycogen synthase b.) Has branch chains that are attached at the branch points by alpha 1,4 glycosidic linkages c.) Built by glycogen phosphorylase when there is high ATP and high glucose-6- P d.) Is an important storage form of glucose in our livers e.) Both a and c 2. What effect will high fructose-2,6-bisphosphate and low ATP have on gluconeogenesis? a.) It will shut gluconeogenesis down at the step of triose...

Describe how glucose-6-phosphate formed by glycogen breakdown in the liver converts to glucose by glucose-6-phosphatase and...

Describe how glucose-6-phosphate formed by glycogen breakdown in the liver converts to glucose by glucose-6-phosphatase and how the newly formed glucose leaves the liver cells. Describe why this process allows for separation from glycolysis.

In cells especially those in the liver, glucose molecules are bonded together to form glycogen. Why?

when glucose is high in diabetics what happends to the activy of glycogen synthase? WHy?

1. Liver metabolism during prolonged fasting. A) What happens when your glucose stored as liver glycogen...

1. Liver metabolism during prolonged fasting. A) What happens when your glucose stored as liver glycogen is gone. What options does the liver have to provide fuel to the brain? B) During starvation muscle tissue is at first used, but then there is a shift to another fuel source. This saves muscle tissue necessary for life (such as muscles of the diaphragm needed for breathing). What is this alternative fuel source?

1. A) Why is it essential that glucose is stored as large single particles of glycogen...

1. A) Why is it essential that glucose is stored as large single particles of glycogen polymerized from up to 55000 glucose molecules, as opposed to large numbers of individual glucose molecules? B) Glucose 1-phosphate is released from the nonreducing ends of glycogen in the liver. What takes place in order for glucose to enter the blood supply? C) Why cannot glucose be released to the blood supply from other tissues? D) Glycogen is a highly branched structure with many...

In the muscles, glycogen is broken down via the following reaction: (Glucose)n + Pi → Glucose-1-phosphate...

In the muscles, glycogen is broken down via the following reaction: (Glucose)n + Pi → Glucose-1-phosphate + (Glucose)n-1 What is the net production of ATP molecules per glucose molecule in the muscles if glycogen is the source of the glucose?

100.In brain tissue, glucose-6-P is not converted into glucose.True/False? 99.Pyruvate, glycogen and glutamate are the major...

100.In brain tissue, glucose-6-P is not converted into glucose.True/False? 99.Pyruvate, glycogen and glutamate are the major products of glucose-6-P which is one of the three key metabolic intermediates.True/False? 98.Metabolic specialization of organs is exemplified by the presence of glucose-6-phosphatase in the liver and kidneys but not in muscle.True/False? 97.The inhibition of xanthine oxidase activity by allopurinol will result in the accumulation of hypoxanthine and xanthine.True/False? 96.Patients with gout have elevated levels of serum uric acid.True/False? 95.Nucleoside monophosphate kinase and nucleoside...

1. Glycogen synthase is active when _______________. A. phosphorylated B. Glycogen synthase activity is not affected...

1. Glycogen synthase is active when _______________. A. phosphorylated B. Glycogen synthase activity is not affected by phosphorylation. C. dephosphorylated 2. The acetyl-coA carboxylase is activated by: A. glucagon and epinephrine B. polymerization C. depolymerization D. Palmitoyl-coA.

1. After glycogen reserves are depleted what are the major gluconeogenic precursors of glucose under the...

1. After glycogen reserves are depleted what are the major gluconeogenic precursors of glucose under the conditions of A. starvation B. intense exercise

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