Podcast
Questions and Answers
Which enzyme is involved in the rate-limiting step of glycolysis?
Which enzyme is involved in the rate-limiting step of glycolysis?
- Glyceraldehyde-3-P dehydrogenase
- Hexokinase
- Phosphoglycerate kinase
- PFK-1 (correct)
What is the role of citrate in regulating glycolysis?
What is the role of citrate in regulating glycolysis?
- Activates PFK-1
- Enhances pyruvate kinase activity
- Promotes gluconeogenesis
- Inhibits PFK-1 (correct)
What effect does high ATP levels have on glycolysis?
What effect does high ATP levels have on glycolysis?
- Inhibits PFK-1 (correct)
- Activates PFK-1
- Promotes F-2,6-BP levels
- Stimulates gluconeogenesis
Which molecule captures energy released during the breakdown and stores it in NADH?
Which molecule captures energy released during the breakdown and stores it in NADH?
Which hormone promotes F-2,6-BP levels and stimulates glycolysis?
Which hormone promotes F-2,6-BP levels and stimulates glycolysis?
'Phosphorylation of glucose' in glycolysis leads to:
'Phosphorylation of glucose' in glycolysis leads to:
What is the main purpose of lactate fermentation in cells?
What is the main purpose of lactate fermentation in cells?
Which enzyme is responsible for catalyzing the conversion of pyruvate to lactate in lactate fermentation?
Which enzyme is responsible for catalyzing the conversion of pyruvate to lactate in lactate fermentation?
What is the consequence of the reduction of two molecules of pyruvate to two molecules of lactate during lactate fermentation?
What is the consequence of the reduction of two molecules of pyruvate to two molecules of lactate during lactate fermentation?
What is the importance of NAD+ regeneration in lactate fermentation?
What is the importance of NAD+ regeneration in lactate fermentation?
In which scenario would cells most likely resort to lactate fermentation?
In which scenario would cells most likely resort to lactate fermentation?
What effect does the production of lactate have on cellular pH?
What effect does the production of lactate have on cellular pH?
