Question

Which of the following is not a step of anaerobic respiration? A. Glycolysis B. Fermentation C. TCA D. both (A) & (C)​

Answer 1

TCA or TRI - Tri Carboxylic Acid pathway is not a step of Anaerobic respiration.

1. Fermentation occurs in anaerobic conditions, i.e. in the absence of oxygen, and produces lactic acid or ethanol and carbon dioxide.

• Lactic acid is produced in the muscle cells in absence of oxygen.
• Along with this 2 molecules of ATP are also produced i.e. very less in comparison to aerobic respiration which leads to the production of 32 ATP.

    2 Glycolysis is common to both aerobic and anaerobic respiration as         .         it is the first step of both processes.

• Glycolysis is a process that converts 1 molecule of glucose into 2 molecules of pyruvate with the net production of 2 ATP.
• In presence of oxygen, pyruvate enters the TCA cycle whereas, in absence of oxygen, it undergoes Fermentation.