daniel.praecox
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Regulation of Enzymes via Irreversible Covalent Modifications

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Enzyme Regulation - Irreversible Covalent modification

Enzyme Regulation - Irreversible Covalent modification

Question 1 of 8

1

What cellular processes is irreversible covalent modification of enzymes restricted to?

Select one of the following:

  • Intracellular

  • Extracellular

  • Intercellular

Explanation

Question 2 of 8

1

What cellular process is involved in irreversible covalent modifications?

Select one of the following:

  • Proteolytic Cleavage

  • Transcription

  • Ubiquitinylation

Explanation

Question 3 of 8

1

Irreversible Covalent modification of enzymes is important for which cellular processes?

Select one or more of the following:

  • Digestion and Blood Clotting

  • Cellular Differentiation and Replication

  • Inflammation and Fighting Infection

  • Transcription and Translation

Explanation

Question 4 of 8

1

What are zymogens?

Select one or more of the following:

  • Active Digestive Enzyme

  • Inactive Digestive Enzyme

  • Digestive Enzyme precursor

Explanation

Question 5 of 8

1

Choose the correct term for the sites of proteolytic cleavage of zymogens

Select one of the following:

  • Activation Sites

  • Hydrolysation Sites

  • Carboxylation Sites

Explanation

Question 6 of 8

1

Where do zymogens carry out their function?

Select one of the following:

  • Stomach, Liver

  • Pancreas, Gall Bladder

  • Stomach, Pancreas

Explanation

Question 7 of 8

1

Name an example of a zymogen present in the pancreas?

Select one of the following:

  • Pepsin

  • Trypsin

  • Cathepsin G

Explanation

Question 8 of 8

1

What is the active form of the zymogen, Pepsin?

Select one of the following:

  • Trypsinogen

  • Pepsin A

  • Pepsinogen

Explanation

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