1
Question
Phosphoglyceraldehyde and dihydroxy acetone phosphate are
Phosphoglyceraldehyde and dihydroxy acetone phosphate are
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Solution
The correct option is A Isomers
In step 4 of glycolysis, the enzyme aldolase splits fructose 1,6 diphosphate into two 3-carbon sugars that are isomers of each other. Both have the same molecular formula but differ in the arrangement of atoms. The two molecules exist in equilibrium with each other but only glyceraldehyde 3- phosphate can directly continue through the next steps of glycolysis. DHAP is converted into glyceraldehyde 3-phosphate. Thus, the correct answer is option A.
In step 4 of glycolysis, the enzyme aldolase splits fructose 1,6 diphosphate into two 3-carbon sugars that are isomers of each other. Both have the same molecular formula but differ in the arrangement of atoms. The two molecules exist in equilibrium with each other but only glyceraldehyde 3- phosphate can directly continue through the next steps of glycolysis. DHAP is converted into glyceraldehyde 3-phosphate.
Thus, the correct answer is option A.
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