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- 1. Multiple ChoiceWhat is a substance called if it speeds up a chemical reaction?reusablecatalystspecificfragile
- 2. Multiple ChoiceEach enzyme only has 1 substrate that will fit its active site. What is this called?reusablilitydenaturationspecificityfragility
- 3. Multiple ChoiceWith what 3 letters do enzymes typically end?-ose-ase-ese-tic
- 4. Multiple ChoiceAny substance that is acted upon by an enzyme is called a(n)?CoenzymeSubstrateVitaminPolypeptide
- 5. Multiple Choice
In the diagram, what is letter A?productsubstrateenzyme-substrate complexactive site - 6. Multiple ChoiceEnzymes are...nucleic acidsproteinslipidscarbohydrates
- 7. Multiple ChoiceAn enzyme speeds up a chemical reaction in the cell but can only be used once. True or False?truefalse
- 8. Multiple ChoiceWhat happens when enzymes are heated to a high temperature?The enzymes die.The shapes of the enzyme are altered denatureThe enzymes' amino acid sequence changes.The enzymes remain the same
- 9. Multiple ChoiceWhat is another name for enzymes?chemical catalystsmicroorganismsbiological catalystsinorganic catalysts
- 10. Multiple ChoiceLetter D...active siteenzymesubstrateproducts
- 11. Multiple ChoiceWhere do substrates bind on an enzyme?voltage-gated channelssurface receptorcalcium channelsactive site
- 12. Multiple ChoiceWhat is structure A?SubstrateActive siteEnzymeProducts
- 13. Multiple ChoiceWhat is structure D?SubstrateActive siteEnzymeProducts
- 14. Multiple ChoiceWhich of the following conclusions can be drawn from this graph?The optimum pH of the enzyme is 6.6.The optimum pH of the enzyme is 5.8The enzyme’s activity increases as pH increases 5.0 to 9.0The enzyme’s activity is greater around pH of 8.0 .
- 15. Multiple Choice
Which 2 factors can affect the rate of enzyme activity?
Light intensity
Temperature
pH
Oxygen concentration
- 16. Multiple ChoiceWhat is structure E, F, G?SubstrateActive siteEnzymeProducts
- 17. Multiple Choice
Based on the graph, what temperature does this enzyme work best?
15 C
40 C
30 C
50 C
- 18. Multiple Choice
What happens when enzymes are heated to a high temperature?
The enzymes die
The shape of the enzyme changes as it denatures
The enzymes become more active
The enzymes remain the same
- 19. Multiple Choice
Which of the following denatures an enzyme?
High Temperatures
Incorrect pH
Both
- 20. Multiple ChoiceEach enzyme only has 1 substrate that will fit its active site. What is this called?reusablecatalystspecificityfragile
- Answer choicesTagsAnswer choicesTags