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- 1. Multiple ChoiceEnzymes are considered to beLipidsCarbohydrateProteinNucleic 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 ChoiceWhere do substrates bind on an enzyme?voltage-gated channelssurface receptorcalcium channelsactive site
- 4. Multiple ChoiceHow do enzymes increase the speed of chemical reactions?reducing the number of productsreducing the activation energyincreasing the temperature of the cellincreasing the concentration of reactants
- 5. Multiple ChoiceAfter the enzyme and substrate bind together and perform the reaction, what does the substrate become?
asubstrate (s)
enzyme(s)
product(s)
inhibitor(s)
- 6. Multiple Choice
Allosteric inhibitors block the active site
true
false
- 7. Multiple ChoiceWhich of these is NOT true?Enzymes can denature (change shape) when the temperature gets too high.Enzymes can only be used once in a chemical reaction.Extreme pH can denature enzymes.Enzymes speed up chemical reactions.
- 8. Multiple Choice
What happens when enzymes are cooled down?
The enzymes die
The shapes of the enzyme are altered or denaturedThe enzyme slows down
The active site is altered
- 9. Multiple Choice
Based on the graph, what temperature does this enzyme work best?15 C40 C30 C47 C - 10. Multiple ChoiceLetter D...active siteenzymesubstrateproducts
- 11. Multiple ChoiceLetter D...active siteenzymesubstrateproducts
- 12. Multiple ChoiceLetter B...active siteenzymesubstrateproducts
- 13. Multiple ChoiceLetter C...active siteenzymessubstrateproducts
- 14. Multiple ChoiceLetter E...active siteenzymesubstrateproducts
- 15. Multiple Choice
What is an inhibitor?
the region of an enzyme that attaches to a substrate
a change in the shape of a protein
substance that can bind to an enzyme and prevent the substrate from binding
macromolecules that contain carbon, hydrogen, oxygen, and nitrogen
- 16. Multiple Choicewhat part do the competitive inhibitors attach to?subtrateactive sitesomewhere other than enzyme
- 17. Multiple Choice
What are vitamins and minerals?
Part of our food, give us energy
activators
inhibitors
enzymes
- Answer choicesTagsAnswer choicesTags