Competitive Inhibition

Practice Questions

Biochemistry › Competitive Inhibition

Questions
10
1

A researcher adds of competitive inhibitors to an existing solution of substrate and enzyme. The researcher notices that the effect of the enzyme decreases. What can the researcher do to increase the effect of the enzyme back to normal levels (to levels before inhibitors were added)?

2

Carbon monoxide binds to hemoglobin at the same site as oxygen, and it does so with a much higher affinity - carboxyhemoglobin results. The type of inhibition by carbon monoxide on hemoglobin is which of the following?

3

Competitive inhibitors bind to __________ on enzyme and form __________ bonds.

4

Which of the following is true regarding competitive inhibition?

5

Which of the following molecules is most likely to competitively inhibit an enzyme that catalyzes the reaction of ?

6

A biochemist finds a bottle labeled "competitive inhibitor of trypsin" in his refrigerator. He finds that the of this enzyme for trypsin is .

If the biochemist uses of this inhibitor in a solution of trypsin, what is the apparent of this enzyme?

7

Which of the following best describes the function of competitive inhibitors?

8

What happens to the of an enzyme-catalyzed reaction when a competitive inhibitor of the enzyme is added?

9

Carbon monoxide binds to hemoglobin at the same site as oxygen, and with a much higher affinity - carboxyhemoglobin results. What is true about the type of inhibition occurring here?

10

What happens to and/or if a competitive inhibitor is added to an enzyme?

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