Glycolysis,TCA Flashcards
which enzyme catalyses the isomerisation of glucuse 6 phosphate and to what
phophoglucose isomerase
fructose6 phosphate
which enxymes catalyses the phosphorylation of fructose-6-phosphate
phosphofructokinase
phosphorylation of glucose to glucose 6 phosphate by
hexokinase enzyme
which enzyme splits fructose 1-6 bisphosphate
adolase
what two molecules does fructose 1,6 bisphosphate split into
- Dihydroxyacetone phosphate
- Glyceraldehyde 3-phospHate
Which cleaved molecule joins the glycolytic
glyceraldehyde -3 phosphate (GAP)
DHAP isomerises to GAP and then joins
second stage of glycolysis begins with the
phosphorylation of GAP to 1,3- BPG using Glyceraldehyde 3-phosphate dehydrogenase
which enzyme catalyses the converstion of 1,3- BPG to 3 phospholglycerate
phosphoglycerate kinase
enzyme that catalyses 3 phosphoglycerate to 2 phosphoglycerate
phophoglycerate mutase
Dehydration of 2 phosphoglycerate to PEP catalysed by
Enolase
PEP to pyruvate by
Pyruvate kinase
Fate of pyruvate
Turns into ethanol or acetyl CoA anaerobically
( NAD+ is regenerated here
PYRUVATE –> acetyl CoA through
oxidative decarboxylation
by PDH pyruvate dehydrogenase and makes NADH and releases CO2
o Some units are regulatory …
inhibits the activity of the enzyme
o Some units are catalytic
catalyses the activity of the enzyme