Enzymes

Front

What is the purpose of an enzyme?

Back

speed up reactions

Front

How does an enzyme speed up a reaction?

Back

lowering the activation energy.

Front

Based on the graph, what is the optimal temperature for this enzyme? Options: 15^oC, 40^oC, 30^oC, 35^oC

Back

30^oC

Front

At high temperatures, why does enzyme activity decline? Options: Denaturation, Decreased Kinetic Motion, Increased H-Bonding, Dissociation of Ionic Compounds

Back

Denaturation

Front

At low temperatures, why does enzyme activity decline? Options: Denaturation, Decreased Kinetic Motion, Increased H-Bonding, Dissociation of Ionic Compounds

Back

Decreased Kinetic Motion

Front

Where do substrates bind on an enzyme?

Back

active site

Front

Which of the following conclusions can be drawn from this graph? Options: The optimum pH of the enzyme is 6.6., The optimum pH of the enzyme is 5.8, The enzyme’s activity increases as pH increases 5.0 to 9.0, The enzyme’s activity is greater around pH of 8.0.

Back

The optimum pH of the enzyme is 6.6.

Front

Which color line represents a reaction with an enzyme present?

Back

Blue

Front

What is the optimal pH for this enzyme? Options: 6, 10, 9, 7

Back

9

Front

What is the optimal temperature of this enzyme? Options: 60, 40, 70, 30

Back

40