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- 1. Multiple Choice
Enzymes are an example of
Lipids
Carbohydrate
Protein
Nucleic Acid
- 2. Multiple ChoiceWhat is the purpose of an enzyme?give permission for the reactionraise activation energyspeed up reactionscontrol how many reactions occur
- 3. Multiple ChoiceEnzymes are capable of increasing the rate of a chemical reaction within a living cell. Enzymes accomplish this through which of the following means?reducing the number of productsreducing the activation energyincreasing the temperature of the cellincreasing the concentration of reactants
- 4. Multiple ChoiceEach enzyme only has 1 substrate that will fit its active site. What is this called?reusablecatalystspecificfragile
- 5. Multiple ChoiceWhat 3 letters do enzymes typically end in?-ose-ase-ese-tic
- 6. Multiple ChoiceAny substance that is acted upon by an enzyme is called a(n)?CoenzymeSubstrateVitaminPolypeptide
- 7. Multiple ChoiceAfter the enzyme and substrate bind together and perform the reaction, what does the substrate become?a substratean enzymea productan active site
- 8. Multiple Choice
In the diagram, what is letter A?productsubstrateenzyme-substrate complexactive site - 9. Multiple ChoiceLetter D...active siteenzymesubstrateproducts
- 10. Multiple ChoiceLetter B...active siteenzymesubstrateproducts
- 11. Multiple ChoiceLetter C...active siteenzymessubstrateproducts
- 12. Multiple ChoiceLetter E...active siteenzymesubstrateproducts
- 13. Multiple Choice
In a chemical reaction, ________ are what you have at the end
Products
Molecules
Reactants
Substances
- 14. Multiple ChoiceIn a chemical reaction, bonds are broken and new bonds are formed that create new substances. The bonds that are broken are called what?ReactantsProductsAtomsCatalysts
- 15. Multiple ChoiceEnzymes provide a site where reactants called substrates can be brought together in an enzyme-catalyzed reaction. The site is called theenzyme substrate complex.reaction site.active site.lock and key.
- 16. Multiple ChoiceChemical reactions always involvethe breaking of bonds in reactants.the formation of new bonds in products.the breaking of bonds in reactants and the formation of new bonds in products.enzymes.
- 17. Multiple ChoiceAn enzyme speeds up a reaction bylowering the activation energy.raising the activation energy.releasing energy.absorbing energy.
- 18. Multiple ChoiceEach enzyme only has 1 substrate that will fit its active site. What is this called?reusablilitydenaturationspecificityfragility
- 19. Multiple ChoiceBased on the graph, what is the optimal temperature for this enzyme?15oC40oC30oC35oC
- 20. Multiple ChoiceAn enzyme speeds up a chemical reaction in the cell but can only be used once. True or False?truefalse
- 21. Multiple ChoiceThis reaction shows a(n) ____________ reactionCatabolicAnabolicDehydration SynthesisHalogenation
- 22. Multiple ChoiceThe area that the substrate fits into on the enzyme is called the:Active SiteAllosteric SiteDiSulphide Bridgeβ-Pleated Sheet
- 23. Multiple ChoiceThe current model of enzyme action is referred to as the:Induced Fit ModelLock & Key ModelSinger-Nicolson ModelDavson-Danielli Model
- 24. Multiple Choice
The substance that binds to an enzyme is called a?
Polypeptide
Co-enzyme
Vitamin
Substrate
- 25. Multiple Choice
What is the optimal pH for this enzyme?
6
10
9
7
- Answer choicesTagsAnswer choicesTags