Biochemistry SAS 8

Which metabolic pathway converts one glucose molecule into two molecules of pyruvate?

Where does glycolysis take place in the cell?

Which enzyme catalyzes the first step of glycolysis, converting glucose into glucose-6-phosphate?

Which enzyme converts fructose-6-phosphate into fructose-1,6-bisphosphate?

Which enzyme splits fructose-1,6-bisphosphate into two three-carbon molecules?

Which enzyme converts 2-phosphoglycerate into phosphoenolpyruvate (PEP)?

Which enzyme produces NADH during the conversion of glyceraldehyde-3-phosphate into 1,3-bisphosphoglycerate?

Which type of phosphorylation occurs when PEP transfers its phosphate group to ADP to produce ATP?

What is the net yield of glycolysis per glucose molecule?

High concentrations of which substances inhibit phosphofructokinase-1?

Why are NADH shuttle mechanisms needed during aerobic glycolysis?

Which shuttle is associated with heart and liver cells and yields approximately 2.5 ATP per NADH in the slides?

How much ATP is attributed to each cytosolic NADH transferred through the glycerol-3-phosphate shuttle?

According to the slides, what is the total ATP yield from complete aerobic oxidation of one glucose molecule using the malate-aspartate shuttle?

Which process synthesizes glucose from noncarbohydrate sources such as lactate, glycerol, and certain amino acids?

Which organ is the primary site of gluconeogenesis according to the slides?

During strenuous exercise, lactate travels from the muscles to the liver, where it is converted into glucose that returns to the muscles. What is this process called?

What is the process of forming glycogen from glucose for storage in the liver and muscles?

Which process breaks down stored glycogen to help increase blood glucose levels?

Which enzyme is a key enzyme in glycogen synthesis?

Which enzyme is primarily responsible for glycogen breakdown?

Which hormone stimulates glycogenesis during the fed state?

Which metabolic pathway produces NADPH and ribose-5-phosphate?

What is another name for the pentose phosphate pathway?

Where does the pentose phosphate pathway occur?

Which product is formed during the oxidative phase of the pentose phosphate pathway?

Which products are generated during the oxidative phase of the pentose phosphate pathway?

Which hormone is released by pancreatic beta cells when blood glucose levels are high?

Which hormone is released by pancreatic alpha cells when blood glucose levels are low?

Which hormone stimulates glycogenolysis during an acute stress response and is also known as adrenaline?

Which statement best describes diabetes mellitus?

Which enzyme deficiency is associated with essential fructosuria?

A patient develops severe hypoglycemia, vomiting, and liver dysfunction after consuming fructose. Which enzyme deficiency is most consistent with hereditary fructose intolerance?

Which enzyme deficiency is associated with classic galactosemia (Type I) in the slides?

A patient develops fatigue, jaundice, dark tea-colored urine, and hemolytic anemia following oxidative stress. Which enzyme deficiency is most consistent with these findings?