Biology - Cell Biology - Advanced - Krebs cycle (citric acid cycle) - The Krebs Cycle

6-step cycle. Step 1: 'PYRUVATE LINK REACTION: Before Krebs, pyruvate (3C) enters the mitochondrial matrix. It loses one CO₂ and gains a CoA → Acetyl CoA (2C). Also produces 1 NADH. This happens twice (one per pyruvate).' Step 2: 'CYCLE START: Acetyl CoA (2C) joins with oxaloacetate (4C) → Citrate (

Edodovivmagarwal
Biology - Cell Biology - Advanced - Krebs cycle (citric acid cycle) - The Krebs Cycle
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Biology - Cell Biology - Advanced - Krebs cycle (citric acid cycle) - The Krebs Cycle

vivmagarwal
vivmagarwalJan 29, 2026

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6-step cycle. Step 1: 'PYRUVATE LINK REACTION: Before Krebs, pyruvate (3C) enters the mitochondrial matrix. It loses one CO₂ and gains a CoA → Acetyl CoA (2C). Also produces 1 NADH. This happens twice (one per pyruvate).' Step 2: 'CYCLE START: Acetyl CoA (2C) joins with oxaloacetate (4C) → Citrate (

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BiologyCell Biology - AdvancedClass 12, A Level, Class 12, DP Grade 12, Grade 12

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