Question:

The effectiveness of an enzyme is affected least by

Updated On: Jun 18, 2022
  • temperature
  • concentration of the substrate
  • original activation energy of the system
  • concentration of the enzyme
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The Correct Option is C

Solution and Explanation

The enzymes lower the requirement of activation energy for catalyzing a reaction and these are least affected by the original activation energy of the system. Enzymes are thermolabile. Increase in substrate concentration or enzyme concentration increases the rate of reaction.
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Concepts Used:

Enzymes

Catalysts of biological systems can be known as Enzymes. Enzymes helps us to perform the huge variety of biochemical reactions that encompass in life are all mediated by a series of activities.

Properties of Enzymes:

Following are the properties of enzymes:

  • Enzymes initiate and speed up the reaction
  • The enzyme’s activity is ph dependent
  • Enzymes have the capacity to forward and reverse the reaction but do not decide the direction of the biochemical pathway
  • An enzyme has a particular area on which the substrate interacts to produce the desired product
  • Enzyme becomes unstable at varying ph, high temperature and heat
  • It have protein like characteristics
  • Substrates can be catalyzed with a small number of enzymes
  • Enzyme activity represents absolute, relative, group and stereo specificities
  • Some enzymes perform regulatory function
  • It minimise activation energy (Ea)
  • The enzymes remain unaffected before and after the product formation and it can be reused
  • They are soluble both in water and NaCl.