Question

Q10. Differentiate between Aerobic and Anaerobic respiration.
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Answer 1

Answer:

Difference between Aerobic respiration and Anaerobic respiration:

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Answer 2

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Differentiate between Aerobic and Anaerobic respiration.

Definition

• Aerobic respiration is a set of metabolic reactions that take place in the presence of oxygen, occurring in a cell to convert chemical energy into ATPs.
• Anaerobic respiration is a process of cellular respiration where the high energy electron acceptor is neither oxygen nor pyruvate derivatives.

Overall equation

• The overall equation of aerobic respiration is:

C6H12O6 + 6O2 → 6CO2 + 6H2O + energy

• The overall equation of anaerobic respiration is:

C6H12O6 → C2H5OH + CO2 + energy

Presence of Oxygen

• Aerobic respiration takes place in the presence of oxygen.
• Anaerobic respiration takes place in a condition where there is a low oxygen environment.

Exchange of gases

• There is an exchange of gases during aerobic respiration where oxygen is absorbed, and carbon dioxide is released.
• The exchange of gases doesn’t take place during anaerobic respiration. However, some gases like sulfur and nitrogen gases are released by some organisms.

Location

• Aerobic respiration, after glycolysis, occurs in the mitochondria of eukaryotes and cytoplasm of prokaryotes.
• Anaerobic respiration occurs only in the cytoplasm of a cell.

End products

• The end products of aerobic respiration are carbon dioxide, water, and energy.
• The end products of anaerobic respiration are acids, alcohols, gases, and energy.

Energy produced

• A total of 38 ATPs are produced during aerobic respiration, some of which are lost during the process.
• Only 2 ATPs are formed during anaerobic respiration.

Reactants

• Carbohydrates and oxygen are the prerequisites of aerobic respiration.
• Some other electron acceptors like sulfur and nitrogen are required along with the carbohydrates.

Oxidation

• Complete oxidation of carbohydrates takes place during aerobic respiration.
• Incomplete oxidation of carbohydrates takes place during anaerobic respiration.

Nature of the process

• Aerobic respiration is comparatively longer than anaerobic respiration.
• Anaerobic respiration is shorter than aerobic respiration.

Occurs in

• Aerobic respiration occurs in most of the higher organisms like plants and animals.
• Anaerobic respiration occurs in primitive prokaryotes. Anaerobic respiration also takes place in the muscle cells in humans during extreme movements.

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