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Enzymes and Inhibitors Quiz

Question 1 of 5

Medal-premium 1

Which of the following are prosthetic groups?

Select one or more of the following:

  • Haem group

  • Vitamin D

  • Detachable metal ions

  • Permanently bonded metal ions

Question 2 of 5

Medal-premium 1

What is the role of coenzymes?

Select one or more of the following:

  • A non-protein, organic compound that is necessary for the functioning of an enzyme.

  • A substance (other than the substrate) whose presence is essential for the activity of an enzyme.

  • A substance that prevents the binding of the substrate to the active site.

Question 3 of 5

Medal-premium 1

How can enzymes be used to treat cystic fibrosis?

Select one or more of the following:

  • Acid resistant coated enzymes are given in tablet form and help dissolve the food before it reaches the intestines.

  • They replace faulty-non existent enzymes normally released by pancreas.

Question 4 of 5

Medal-premium 1

How does potassium cyanide cause death?

Select one or more of the following:

  • Inhibits cell respiration. Binds to the enzyme cytochrome oxidase in mitochondria and causes lactic acid build up (due to lack of respiration)

  • Interferes with the workings of the heart causing a fall in blood pressure and breaks down ATP to prevent use of energy.

  • Inhibits oxidation of ubiquinol and inhibits ATP production. Forms a toxic substance called superoxide.

Question 5 of 5

Medal-premium 1

Why is penicillin used to treat bacteria?

Select one or more of the following:

  • It inhibits an enzyme that forms cross links in bacterial cell walls.

  • It inhibits mitochondria from respiring to produce ATP and halts reproduction.

  • Inhibits an enzyme that allows the spindle fibres to form during cell division and replication.


Enzymes and Inhibitors Quiz

Quiz by , created about 2 years ago

Questions on enzymes, their components and practical applications of them.

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Created by beccy.booster about 2 years ago