Question

the graph shows three reaction pathways for the same biological reaction. one reaction pathway shows an uncatalyzed reaction, while two reaction pathways show catalyzed reactions: one catalyzed by enzyme x and one catalyzed by y. for this particular biological reaction, enzyme x is a better catalyst than enzyme y. which statements apply to each reaction?

Answer 1

Reaction A is the uncatalyzed reaction while Reaction B is catalyzed with enzyme Y and reaction C is catalyzed with enzyme X.

The graph of reaction A has a huge bump indicating that it requires greater activation energy. The greater the activation energy, the slower the reaction. Therefore, reaction A is an uncatalyzed reaction.

In the case of reaction B, the activation energy required lesser than A but greater than C which means that a catalyst is used but is not with the lowest activation energy. So it must have undergone a reaction with enzyme Y.

In the last case, the reaction required very less activation energy than the A and B reactions. Therefore, this reaction utilized the enzyme with the lowest activation energy which is enzyme X.

To know more about the catalyst, click below:

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