Enzyme activity and rate of reaction?

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Discussion Overview

The discussion revolves around the relationship between enzyme activity and the rate of reaction, exploring how these concepts are defined and measured within biochemical contexts.

Discussion Character

  • Conceptual clarification, Technical explanation

Main Points Raised

  • Some participants seek clarification on how "enzyme activity" is distinguished from the rate of reaction, noting that the rate of substrate conversion is a common measure of enzyme activity.
  • One participant suggests that an increase in enzyme activity correlates with an increase in the rate of reaction.
  • Another participant adds that this correlation holds true until other necessary substrates are diminished, indicating a limit to the relationship.
  • It is noted that while some reactions can occur without enzymes, the presence of enzymes generally speeds up these reactions.

Areas of Agreement / Disagreement

Participants generally agree that there is a relationship between enzyme activity and the rate of reaction, but the discussion reveals nuances regarding the conditions under which this relationship holds true.

Contextual Notes

There may be limitations in the definitions of "enzyme activity" and "rate of reaction," as well as assumptions regarding the availability of substrates that could affect the discussion.

iki08
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can someone explain to me the relationship between enzyme activity and rate of reaction?
 
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iki08 said:
can someone explain to me the relationship between enzyme activity and rate of reaction?

How are you distinguishing "enzyme activity" from the rate of the reaction? Rate of conversion of substrate is how enzyme activity is typically measured.
 


SW VandeCarr said:
How are you distinguishing "enzyme activity" from the rate of the reaction? Rate of conversion of substrate is how enzyme activity is typically measured.

that means if the activity of enzyme increase the rate of reaction also increase?
 


iki08 said:
that means if the activity of enzyme increase the rate of reaction also increase?

Yes, up until the other necessary substrates are diminished. Of course some reactions can occur without enzymes however enzymes would speed this up
 

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