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CAIE A-Level Biology 12.2.2 Glycolysis Pathway

Practise tracing phosphorylated glucose through two triose phosphates to two pyruvate, accounting for ATP investment, substrate-level gain and reduced NAD per glucose.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • sequence glucose phosphorylation and six-carbon splitting into two triose phosphates
  • track oxidation of each triose phosphate to pyruvate with reduced NAD formation
  • calculate gross and net ATP after investment and substrate-level phosphorylation

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