Enzymes

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Diagram visualisation and explanation:

What would an energy profile diagram look like for an uncatalysed and a catalysed reaction? How does an enzyme speed up the reaction?

Answer 4

Question 5

Answer 5

Question 6

Answer 6

Question 7

Short Explanation:

How does the action of inhibitors challenge the lock and key model of enzyme action?

Answer 7

Question 8

Answer 8

Question 9

Short Explanation:

How is the induced fit model different to the lock and key model?

Answer 9

Question 10

Answer 10

Question 11

Answer 11

Question 12

Short answer:

How does pH affect enzymes?

Visualisation: what would a graph of the effect of pH look like for trypsin and pepsin?

Answer 12

Question 13

Answer 13

Question 14

Graph visualisation:

Picture a graph showing the effect of substrate concentration on enzyme activity. Why does the graph flatten? How is this graph affected by enzyme concentration?

Answer 14

Question 15

Answer 15

Question 16

Answer 16

Question 17

How do competitive and non-competitive inhibitors work?

Answer 17

Question 18

Answer 18

Question 19

Graph Visualisation:

What is the difference between a competitive and non-competitive inhibitors on a substrate/enzyme activity graph?

Answer 19

Question 20

Answer 20

Question 21

Explanation:

What’s the difference between a cofactor and a co-enzyme?

(Also: which one is a type of prosthetic group)

Answer 21

Question 22

Answer 22