Answer :
The correct ordering of characteristics of first half of the pathway that produces energy during glycolysis is
- ATP is utilized- Six-carbon compounds start the pathway.
- Overall reaction: glucose --> dihydroxyacetone phosphate + glyceraldehyde-3-phosphate- ATP is synthesized-
- Three-carbon compounds start the pathway- NADH + H+ is produced-
- Overall reaction: dihydroxyacetone phosphate + glyceraldehyde-3-phosphate --> pyruvate
The steps involved in glycolysis are:
- The most vital phase in glycolysis is catalyzed by hexokinase, a protein with expansive particularity that catalyzes the phosphorylation of six-carbon sugars. Hexokinase phosphorylates glucose using ATP as the source of the phosphate, producing glucose-6-phosphate, a more reactive form of glucose.
- In the second step of glycolysis, an isomerase changes over glucose-6-phosphate into one of its isomers, fructose-6-phosphate
- The third step is the phosphorylation of fructose-6-phosphate, catalyzed by the catalyst phosphofructokinase. A second ATP molecule donates a high-energy phosphate to fructose-6-phosphate, producing fructose-1,6-bisphosphate
- The fourth move toward glycolysis utilizes a catalyst, aldolase, to divide 1,6-bisphosphate
- In the fifth step, an isomerase changes the dihydroxyacetone-phosphate into its isomer, glyceraldehyde-3-phosphate.
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