Glycolysis
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- Q1Which of the following enzymes converts 1,3-bisphosphoglycerate to 3-phosphoglycerate in glycolysis?Phosphoglycerate kinaseHexokinasePyruvate kinaseGlyceraldehyde-3-phosphate dehydrogenase30s
- Q2What is the first step in glycolysis?
Conversion of glucose-6-phosphate to fructose-6-phosphate.
Glycolysis initiates with the phosphorylation of glucose.Conversion of fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate.Conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate.30s - Q3What is the end product of glycolysis?PyruvateATPFructose-1,6-bisphosphateGlucose30s
- Q4What is the net ATP gain from one molecule of glucose during glycolysis?
8 ATP
4 ATP2 ATP6 ATP30s - Q5Which molecule is the final electron acceptor in glycolysis?
NADH
GlucoseATPPyruvate30s - Q6Which enzyme catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate in glycolysis?Phosphofructokinase-1Glyceraldehyde-3-phosphate dehydrogenasePyruvate kinaseHexokinase30s
- Q7Which step of glycolysis produces NADH?
The conversion of fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate.
The conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate.The conversion of glucose to glucose-6-phosphate.The conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate.30s - Q8Which molecule is produced during the energy payoff phase of glycolysis?
NADH
Acetyl-CoAPyruvateATP30s - Q9
Oxidation of glucose or glycogen to pyruvate and lactate is called?
Erythrocytes
Glycolysis
Glucose
Anaerobic
30s - Q10
Which phase includes the conversion of Glucose to lactate.
phosphorylation
Enzymes
Anaerobic phase
NADH phase
30s - Q11
Anaerobic phase limits the amount of energy per molecule of glucose oxidized.
truefalseTrue or False30s - Q12
Which glucose is converted to fructose 6-p by phospho- hexose isomerase, after formation and it involves an aldose- ketose isomerization.
Glucose6 phosphate
Fructose 6 phosphate
6 bisphosphates
enzyme phospho- fructokinase-1
30s - Q13
There are various reactions that can be arbitrarily, so what does stage III state about the series of reactions of glycolytic pathway, which degrades glucose/ glycogen to pyruvate/lactate.
Before the glucose molecule can be split; the rather asymmetric glucose molecule is converted to almost symmetrical form fructose 1, 6 bisphosphates in the presence of ATP.
Fructose, 1, 6- bisphosphate is split by the enzyme aldolase into two molecules of triosephosphates, an Aldo triose, glyceraldehyde3 phosphate and a Keto triose, Dihydroxy acetone phosphate.
The energy- yielding reaction. Reactions of this type in which an aldehyde group is oxidized to an acid are accompanied by liberation of large amounts of potentially useful energy.
The recovery of the PO4 group form 3- phosphoglycerate. The two molecules of 3- phosphoglycerate the end- product of the previous stage, still retains the PO4 group originally derived from ATP in stage 1.
30s - Q14
Under anaerobic conditions NADH are oxidized via lactate formation.
truefalseTrue or False30s - Q15
Liver that function under hypoxic conditions will produce lactic acid from glucose oxidation.
falsetrueTrue or False30s