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- 1. Multiple ChoiceWhat is a substance called if it speeds up a chemical reaction?reusablecatalystspecificfragile
- 2. Multiple ChoiceWith what 3 letters do enzymes typically end?-ose-ase-ese-tic
- 3. Multiple Choice
Enzymes are an example of
Lipids
Carbohydrate
Protein
Nucleic Acid
- 4. Multiple Choice
Letter D...active siteenzymesubstrateproducts - 5. Multiple ChoiceLetter B...active siteenzymesubstrateproducts
- 6. Multiple ChoiceLetter C...active siteenzymessubstrateproducts
- 7. Multiple ChoiceAn enzyme speeds up a reaction bylowering the activation energy.raising the activation energy.releasing energy.absorbing energy.
- 8. Multiple Choice
What happens when enzymes are heated to a high temperature?
The enzymes die.
The shape of the enzyme are changed and it denatures
The enzymes' amino acid sequence changes.
The enzymes remain the same
- 9. Multiple ChoiceThe molecule an enzyme is working on is called the:SubstrateSolventAllosteric InhibitorCoEnzyme
- 10. 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.
- 11. Multiple Choice
What is underlined in the chemical equation below?
Na + Cl ---> NaCl
Products
Reactants
- 12. Multiple Choice
In the chemical equation below, the product is....
Na + Cl ---> NaCl
Na
NaCL
Cl
NaCl
- 13. Multiple Choice
Select all the Reactants
- 14. Multiple Choice
Select all the products
- 15. Multiple ChoiceSubstances that form as the result of a chemical reactionproductsreactantscoefficientssubscripts
- 16. Multiple ChoiceSubstances present at the start of a chemical reactionsubscriptscoefficientsreactantsproducts
- 17. Multiple ChoiceWhat is the activation energy?The energy of the productsThe energy of the reactantsThe minimum energy needed by the reactants to form the products.The energy lost in the reaction
- 18. Multiple ChoiceWhat kind of reaction is this?EndothermicExothermicCannot be determined
- 19. Multiple ChoiceWhat letter represents the energy of the products?ABCD
- 20. Multiple Choice
Change the molecular conformation of a protein to destroy its function.
Denature
Coenzyme
Catalyst
Activation Energy
- Answer choicesTagsAnswer choicesTags