27 public questions tagged with this topic.
The Krebs cycle takes place in the mitochondrial matrix, where Acetyl-CoA is oxidized to produce ATP, NADH, and FADH₂.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Respiratory Quotient and Factors Affecting Respiration
One molecule of ATP (or GTP) is directly synthesized per turn of the Krebs cycle through substrate-level phosphorylation.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Respiratory Quotient and Factors Affecting Respiration
The Krebs cycle does not use glucose directly; glucose is first broken down into pyruvate, which is then converted into Acetyl-CoA.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Respiratory Quotient and Factors Affecting Respiration
The Krebs cycle produces NADH and FADH₂, which are used in the Electron Transport Chain for ATP production.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Respiratory Quotient and Factors Affecting Respiration
Glucose does not directly enter the Krebs cycle; it is first converted to pyruvate and then to Acetyl-CoA.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Respiratory Quotient and Factors Affecting Respiration
The Krebs cycle generates NADH and FADH₂, which are later used in the Electron Transport Chain.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Respiratory Quotient and Factors Affecting Respiration
Oxidative phosphorylation produces the most ATP by utilizing NADH and FADH₂ in the Electron Transport Chain.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Electron Transport System and Oxidative Phosphorylation
Citric acid is the first stable compound formed when Acetyl-CoA combines with oxaloacetic acid in the Krebs cycle.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Krebs Cycle - TCA Cycle - Tricarboxylic Acid Cycle
Glucose does not directly enter the Krebs cycle; it is first converted into pyruvate and then Acetyl-CoA.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Krebs Cycle - TCA Cycle - Tricarboxylic Acid Cycle
Fumarase catalyzes the hydration of fumaric acid to form malic acid in the Krebs cycle.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Krebs Cycle - TCA Cycle - Tricarboxylic Acid Cycle
α-Ketoglutaric acid is an intermediate of the Krebs cycle that serves as a precursor for amino acid synthesis.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Krebs Cycle - TCA Cycle - Tricarboxylic Acid Cycle
NAD⁺ is reduced to NADH during glycolysis and the Krebs cycle, playing a crucial role in cellular respiration.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Krebs Cycle - TCA Cycle - Tricarboxylic Acid Cycle
