Quiz 11 Gluconeogenesis

What molecule inhibits fructose 1,6-bisphosphatase?

Fructose 2,6-bisphosphate

Choose the statement that sums up reciprocal regulation of gluconeogenesis and glycolysis.

When glucose is abundant, ______ will predominate.

glycolysis

What are the acceptable precursors of glucose for gluconeogenesis?

amino acids, fatty acids, lactate

Expression of what molecules is stimulated by glucagon?

fructose 1,6-bisphosphate and phosphoenolpyruvate carboxykinase

What is the essential compound required for carboxylation of pyruvate in humans?

biotin

Gluconeogenesis often ends with the formation of glucose 6-phosphate in the muscle. Why does this happen?

Muscles lack ______ which is necessary to form glucose.

glucose 6-phosphatase

What organ controls the level of glucose in blood?

liver

Choose reaction that takes place in mitochondria.

formation of _____ from ____

oxaloacetate from pyruvate

In what form does oxaloacetate leave the mitochondrion?

malate

High levels of ATP and citrate

inhibit glycolysis, inhibit glycogenolysis, favor glucogenesis