Molecule of urease act

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Question: One way of expressing the rate at which an enzyme can catalyze a reaction is to give its turnover number. The turnover number is the maximum number of substrate molecules that can be acted on by one molecule of enzyme per unit of time. The following table gives the turnover number of some representative enzymes.

                              
  

Enzyme

  
  

Substrate

  
  

Turnover Number (per second)

  
  

Ribonuclease

  
  

RNA

  
  

100

  
  

Fumarase

  
  

Fumarate

  
  

800

  
  

Lactate Dehydrogenase

  
  

Lactate

  
  

1,000

  
  

Urease

  
  

Urea

  
  

10,000

  

How many molecules of urea can one molecule of urease act on in 21 minutes?

 

 

Reference no: EM1383928

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