take the mini quiz.
14. the first four tasks on the quiz require you to type in words. what words did you type in order?
experiments
15. what three factors impact enzyme function?
16. what is the name for the best temperature for the enzyme?
17. what was the exact best temperature in this example?
18. sketch the temperature results on the graph at the bottom of this page.
19. when the temperature gets too hot what happens to the enzyme?
answers to 20 - 23 are in the mini quiz
20. what happens to a denatured enzyme exactly?
21. is denaturing of an enzyme by temperature reversible - can it be fixed?
22. label the following picture and color it.
23. is denaturing of an enzyme by ph reversible?
24. sketch the ph graph results on the graph at the bottom of this page.
enzymes and substrate concentration
25. sketch the substrate concentration results on the graph below.
26. how is this graph different from the previous two, temp and ph?
enzymatic machine
27. what is the optimum levels of each category below?
a. temperature _____ b. ph _____ c. substrate level _____

Question

Accepted Answer

15.
# Brief Explanations:
Enzyme function is affected by temperature, pH, and substrate concentration. These factors can change the enzyme - substrate interaction and the overall rate of the enzymatic reaction.
# Answer:
Temperature, pH, substrate concentration

16.
# Brief Explanations:
The temperature at which an enzyme functions most efficiently is called the optimal temperature.
# Answer:
Optimal temperature

17.
Since no specific example is provided in the text for the exact best temperature, we cannot give a specific numerical answer.

19.
# Brief Explanations:
When the temperature is too high, enzymes can denature. Denaturation causes a change in the three - dimensional structure of the enzyme.
# Answer:
The enzyme denatures

20.
# Brief Explanations:
A denatured enzyme has a disrupted three - dimensional structure. This disrupts the active site, making it unable to bind to the substrate effectively.
# Answer:
Its three - dimensional structure is disrupted, and the active site is affected, reducing or eliminating its ability to bind to the substrate

21.
# Brief Explanations:
Denaturation of an enzyme by temperature is usually irreversible. High temperatures cause permanent changes in the protein structure.
# Answer:
No

23.
# Brief Explanations:
Denaturation of an enzyme by extreme pH is usually irreversible as it can cause permanent changes in the protein's structure.
# Answer:
No

26.
# Brief Explanations:
The substrate - concentration graph typically shows an initial increase in the rate of the enzymatic reaction with increasing substrate concentration until it reaches a plateau (saturation point). In contrast, the temperature and pH graphs usually have a bell - shaped curve with an optimal point and a decrease in activity on either side of the optimum.
# Answer:
The substrate - concentration graph shows an initial increase to a saturation point, while the temp and pH graphs are bell - shaped with an optimal value and decreasing activity away from the optimum

27.
Since no specific context or data is given for the optimal values, we cannot provide specific numerical answers for temperature, pH, and substrate level.

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