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Question

Give an example of a feed-forward reaction.


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Solution

Feed-forward reaction:

  1. The term "feed-forward" describes a reaction that reacts to changes in its environment in order to maintain the desired state.
  2. The feed-forward activation method ensures that enzymes are serving in accordance with the overall goal of energy production.

Example:

  1. Fructose1,6 bisphosphate activates pyruvate kinase, which is a good example of feed-forward activation.
  2. Their own enzyme system regulates a glycolytic intermediate.
  3. When glycolysis is activated, the activity of pyruvate kinase should likewise increase, allowing total carbon flow across the pathway.

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