Cofactors and enzyme inhibitors

Question 1

What are cofactors

Answer 1

Non-protein substances that assist enzymes

Question 2

Types of cofactors

Answer 2

Activators: inorganic, permenantly bound (e.g iron, zinc)
Coenzymes: Organic. temporarily bound (e.g vitamin C, ATP)

Question 3

What are enzyme inhibitors

Answer 3

Substances that reduce or stop enzyme activity

Question 4

Types of inhibitors

Answer 4

Competitive: Bind to the active site
Non-competitive: Bind elsewhere on the enzyme

Question 5

Are inhibitors reversible or irreversible

Answer 5

They can be either