Question

Krebs cycle occurs in
(a) mitochondria (b) cytoplasm
(c) chloroplasts (d) ribosomes

Answer 1

Answer:

Mitochondria is the right ans

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Answer 2

Krebs cycle occurs in matrix of (a) Mitochondria .

• Krebs Cycle is a pathway which involves the Acetyl-Co A and Oxaloaccetate to form Citrate .
• Bioenergetics-

1. 3 NADH - 9 ATP
2. 1 GTP - 1 ATP
3. FADH₂ - 2 ATP

Total ATP formed in Krebs Cycle is 12 ATP.

• Net reaction of Krebs Cycle is -

Acetyl Co A+3 NAD+FAD+GDP+Pi+ H₂O → 2CO₂+Co A+3 NADH+FADH₂+ GTP+2 H⁺