Aerobic respiration of say seedlings with an intact cotyledon

  • Thread starter chanderjeet
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In summary, during aerobic respiration in seedlings with an intact cotyledon, energy is produced through the reaction C6H12O6 + 6O2 => 6CO2 + 6H2O + ATP. This ATP is then used to drive biochemical activities and promote growth of the seedling. The energy is stored as ATP and used for various biochemical reactions in the cell.
  • #1
chanderjeet
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Aerobic respiration of say seedlings with an intact cotyledon:

what happens between the energy produced in the reaction

C6H12O6 + 6O2 => 6CO2 + 6H2) + ATP

and the ATP releasing energy to drive biochemical activities?

Is energy produced and then converted to the ATP? Or is the energy stored as ATP? I'm a little confused in terms of the energy actually produced and the ATP.

Also what is the energy really used for? Besides cell division to promote growth of the seedling.
 
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  • #2


I'm having a hard time understanding your question. In mammalian cells (mitochondria, anyway), ATP is produced by a couple of reactions (glycolysis and oxidative phosphorylation). The ATP is then used to provide chemical energy to drive other biochemical reactions. The important point to know is that this energy is stored, not as 'high energy bonds', but by the Gibbs free energy obtained by having a concentration of ATP (relative to ADP) much different than equilibrium.

ATP is used pretty much for every biochemical reaction, except when GTP is used.

http://en.wikipedia.org/wiki/Adenosine_triphosphate
 
  • #3


Thank you very much. The link was also very helpful.
 
  • #4


The energy is coupled with phosphorylation of AMP and ADP through oxidative phosphorylation.
 

1. What is aerobic respiration?

Aerobic respiration is the process by which cells convert oxygen and glucose 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.

2. How does aerobic respiration differ from anaerobic respiration?

Aerobic respiration requires oxygen, while anaerobic respiration does not. In aerobic respiration, cells produce more energy and waste products are carbon dioxide and water. In anaerobic respiration, cells produce less energy and waste products may include lactic acid or ethanol.

3. What is the role of cotyledons in aerobic respiration of seedlings?

Cotyledons, also known as seed leaves, play a crucial role in the initial stages of aerobic respiration in seedlings. They contain stored nutrients that provide energy for the seedling before it is able to produce its own through photosynthesis. The cotyledons also absorb and transport oxygen to the seedling's cells, allowing for aerobic respiration to take place.

4. Why is aerobic respiration important for seedlings?

Aerobic respiration is important for seedlings because it provides the energy they need to grow and develop. Without enough oxygen and glucose, seedlings would not be able to produce the necessary energy for cellular processes, and their growth would be stunted. Aerobic respiration also allows for the breakdown of stored nutrients in cotyledons, enabling the seedling to survive until it can obtain nutrients through photosynthesis.

5. Can the intact cotyledon affect the rate of aerobic respiration in seedlings?

Yes, the intact cotyledon can affect the rate of aerobic respiration in seedlings. The cotyledon contains stored nutrients that are used for energy during respiration. If the cotyledon is damaged or removed, the seedling may have less energy available for aerobic respiration, leading to a slower rate of growth. Additionally, the cotyledon helps to transport oxygen to the seedling's cells, so any damage to it may also impact the seedling's ability to respire aerobically.

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