Glycolysis can be divided into two phases to facilitate an understanding of the

Question

Glycolysis can be divided into two phases to facilitate an understanding of the chemical logic of the pathway. Determine if each description below best fits the priming phase, the payoff phase, both phases or neither phase. Priming phase (I) _______________ Payoff phase (II) _______________ Both phases _______________ Neither phase _______________ ADP is required ATP is required Adds a phosphate using P_i Activates carbohydrates to facilitate C-C bond cleavage Involves sugar-phosphate derivatives made up of five carbons Involves sugar-phosphate derivatives made up of three carbons

Explanation / Answer

Priming phase: ATP required, Activates carbohydrates to facilitate C -C bond cleavage.

Payoff phase:ADP required,Adds phosphate using pi

Both phases:Involves sugar phosphate derivatives made up of three carbons

Neither: Involves sugar phosphate derivatives made up of five carbons

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