I NEED HELP I CANT DO ANY OF THIS!!!!!!!!!!!!!?

Question 1  2 points    Save    
  The part of the enzyme where the substrate fits is known as the ___.
    active site
   isomer position
   activation site
   none of these


   Question 2  2 points    Save    
  Enzymes work by bringing reactants together at a ___ energy level than they would need in an uncatalysed reaction.
    higher
   the same  
   lower
 


   Question 3  2 points    Save    
  Most enzyme names end in the suffix ____.
    ose
   ism
   actinocetes
   ase
 


   Question 4  2 points    Save    
  The enzyme used in all experiments in this lab was ___.
    amylase
   catalase
   tyrosinase
   pepsin
 


   Question 5  2 points    Save    
  The substrate our enzyme used in lab acted upon was ___.
    starch
   proteins
   hydrogen peroxide  
   pyrocatechol (also known as catechol)  
 


   Question 6  2 points    Save    
  The macromolecule group that most enzymes belong to is the ____.
    carbohydrates
   lipids
   proteins
   nucleic acids
 


   Question 7  2 points    Save    
  What was produced by the enzymatic reaction studied in our lab?
    oxygen gas
   hydrogen gas
   carbon dioxide gas
   liver and onions (UGH)
 


   Question 8  2 points    Save    
  Change in the pH should ___ the enzyme.
    activate
   deactivate
   have no effect
 


   Question 9  2 points    Save    
  Which of these is NOT a factor that affects enzyme activity?
    temperature
   pH
   concentration of enzyme and/or substrate
   all of these affect enzyme activity.
 


   Question 10  2 points    Save    
  Enzymes work only on a single substrate, in most cases.
   True
  False