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During the preparatory phase of glycolysis, when glucose-6 phosphate is isomerized to……
a) glucose-1-6 phosphate + ADP      
b) Fructose-6 phosphate
c) fructose-1-6 biphosphate + ADP   
d) PGAL and DAP

b

During the preparatory phase of glycolysis, when fructose-6 phosphate reacts with ATP and converted into…..…
a) glucose-1-6 biphosphate + ADP   
b) Fructose-3-6 phosphate
c) fructose-1-6 biphosphate + ADP
d) PGAL and DAP

c

During the preparatory phase of glycolysis, fructose-1-6 biphosphate is converted into……
a) glucose + ADP      
b) glucose-1-6 phosphate
c) two PGAL             
d) PGAL and DAP

d

Explanation: after that, DAP changes to PGAL



During the oxidative phase of glycolysis, phosphoglyceraldehyde (PGAL) is oxidized to ……
a) 1-3 diphosphoglyceric acid (PGA)
b) 3-phophglycerate
c) 2- phosphoenol pyruvate (PEP)     
d) pyruvic acid

a

Explanation: NAD is reduced to NADH2



During the oxidative phase of glycolysis, 1-3- diphosphoglyceric acid is converted into……
a) glyceric acid (PGA)           
b) 3-phophglycerate
c) 2- phosphoenol pyruvate (PEP)     
d) pyruvic acid

b

Explanation: ATP is produced from ADP



During the oxidative phase of glycolysis, 3-phophoglycerate is converted into…….
a) 1-3 diphosphoglyceric acid (PGA)
b) 1-phophglycerate
c) 2- phosphoenol pyruvate (PEP) 
d) pyruvic acid

c

Explanation: water is also produced



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