What is definition of aerobic and anaerobic respiration?

Question

Answer

....Both aerobic and anaerobic respirationinvolve chemical reactions which take place in the cell to produce energy, which is needed for active processes. ..Aerobic respirationtakes place in the mitochonria and requires oxygen and glucose, and produces carbon dioxide..., water, and energy...

Answer

# Aerobic respiration ---> Aerobic respiration is the respiration which take place in the presence of oxygen. It is common in multicellular organisms. Examples = Human being, Animals, plants etc.

# Anaerobic respiration ---> Anaerobic respiration is the type of respiration which is carried out by yeast or muscle cells in the absence of oxygen. It is common in unicellular organisms. Examples= Protozoa,Fungi etc.

Answer

Aerobic respiration means respiration that takes place in the presence of oxygen.
anaerobic respiration means the respiration that takes place in the absence of oxygen.

Answer

Aerobic Respiration:
Aerobic respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water. This process occurs in the presence of oxygen and is the most efficient way for cells to produce energy. Here is a breakdown of how aerobic respiration works:
- **Glycolysis:** Glucose is broken down into pyruvate in the cytoplasm of the cell, producing a small amount of ATP.
- **Krebs Cycle (Citric Acid Cycle):** Pyruvate enters the mitochondria and is further broken down into carbon dioxide, generating more ATP.
- **Electron Transport Chain:** High-energy electrons are passed along a series of proteins in the inner mitochondrial membrane, producing a large amount of ATP through oxidative phosphorylation.
- **Final Products:** The end products of aerobic respiration are 36-38 ATP molecules, carbon dioxide, and water.

Anaerobic Respiration:
Anaerobic respiration is the process by which cells convert glucose into energy without the use of oxygen. While less efficient than aerobic respiration, anaerobic respiration allows cells to continue producing energy when oxygen is scarce. Here is how anaerobic respiration differs from aerobic respiration:
- **Glycolysis:** Glucose is broken down into pyruvate, producing a small amount of ATP in the cytoplasm.
- **Fermentation:** In the absence of oxygen, pyruvate is converted into lactic acid (in animals) or ethanol (in plants and some microorganisms) to regenerate NAD+ for glycolysis to continue.
- **Energy Production:** Anaerobic respiration produces only 2 ATP molecules per glucose molecule, making it less efficient than aerobic respiration.
- **End Products:** The end products of anaerobic respiration are lactic acid or ethanol, depending on the organism.
In summary, aerobic respiration is the preferred method for producing energy in cells due to its efficiency, while anaerobic respiration serves as a backup when oxygen is limited.

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