A coupled reaction consists of two linked reactions occurring at the same time. An example of a coupled reaction is the conversion of ADP + Pi → ATP, which is linked to an oxidation reaction during glycolysis. Describe the connection between these reactions in terms of energy production. Explain two advantages of the presence of coupled reactions in nearly all biological systems. Response need to be 3-4 sentences long

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

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it provides an alternative energy pathway for the reaction to proceed.

a catalyst is a substance that speeds up the rate of a chemical reaction but is not consumed during the course of the reaction.

catalysts increase the rate of reaction without being used up. they do this by lowering the activation energy needed. with a catalyst, more collisions result in a reaction, so the rate of reaction increases. different reactions need different catalysts.

a catalyst works by providing an alternative reaction pathway to the reaction product. the rate of the reaction is increased as this alternative route has a lower activation energy than the reaction route not mediated by the catalyst.