Glycolysis

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Exercise Metabolism- Term 1 (Glycolysis) Flashcards on Glycolysis, created by Mark Arsenal on 15/04/2013.
Mark Arsenal
Flashcards by Mark Arsenal, updated more than 1 year ago
Mark Arsenal
Created by Mark Arsenal about 11 years ago
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Question Answer
Between what Intermediates is the Investment stage? Glucose--> Fructose 1,6 Biphosphate.
Between what Intermediates is the Splitting stage? Fructose 1,6-Biphosphat---> Glyceraldehyde 3-phosphate
Between what Intermediates is the Harvest/Yield stage? Glyceraldehyde 3-phosphate---> Pyruvate
After which intermediates do we invest ATP? Glucose and Fructose 6 Phosphate.
After which intermediate do we generate NADH? Glyceraldehyde 3-phosphate.
After which 2 intermediates do we yield ATP? 1,3 Biphosphoglycerate and Phosphoenolpyruvate.
What transports Glucose into the cell for Glycolysis? GLUT 4
What intermediate is split? Fructose 1,6 Biphosphate
What are the 3 stages of Glycolysis? Preparation, Splitting, Yield/Harvest
What enzymes are 'Rate Limiting' in Glycolysis? Phosphofructokinase, Pyruvate Kinase, Hexokinase, Lactate Dehydrogenase, Pyruvate Dehydrogenase, Glycogen Phosphorylase.
What factors stimulate Glycolysis? AMP, ADP, Pi, Ammonia, Calcium, Cyclic AMP.
What factors Inhibit Glycolysis? ATP, PCr, Citrate, Glucose-6-Phosphate (High levels), NADH, Acetyl-CoA.
What is broken down and what is formed through Glycolysis? Glucose -----> Pyruvate
Where does Glycolysis take place?? Cytisol of the Cell
What energy do we Input? How much Energy is Output? And what is the Net Energy Output? We Input 2 ATP. We Output 4 ATP and 2 NADH. So Net Output is 2 ATP and 2 NADH.
When no Oxygen is present the Glycolysis is 'Fast'. Which converts the formed Pyruvate into Lactate by the Enzyme Lactate Dehydrogenase. When Oxygen is present the Glycolysis is 'Slow' the formed Pyruvate can enter the TCA Cycle to form NADH and FADH. The Glycolysis formed NADH can enter the ETC to generate ATP.
Enzymes in Glycolysis: Hexokinase, Phosphoglucose Isomerase, Phosphofructokinase, Aldolase, Triose Phosphate Isomerase, Glyceraldehyde-3-Phosphate Dehydrogenase, Phosphoglycerokinase, Phosphoglyceromutase, Enolase, Pyruvate Kinase,
Intermediates in Glycolysis: Glucose, Glucose 6 Phosphate, Fructose 6 Phosphate, Fructose 1,6 Biphosphate (SPLIT) Glyceraldehyde 3 Phosphate + Dihydroxacetone Phosphate (DP is then broke down to G3P), 1,3 Biphosphoglycerate, 3 Phosphoglycerate, 2 Phosphoglycerate, Phosphoenolpyruvate, Pyruvate
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