Enzyme Mode of Action
Factors Affecting Enzyme Action
Inhibition
Free vs Immobilised
General Knowledge
100

What do enzymes lower in a reaction?

Activation Energy

100

What's the optimum temperature for enzymes in the human body?

37 degrees

100

What type of inhibitor binds to the active site?

Competitive

100

What material can immobilize enzymes?

Alginate

100

What is the name of the closest star to Earth?

The Sun

200

What model describes enzyme-substrate binding as rigid?

Lock and Key

200

What happens to enzymes at very high temperatures?

Denaturation

200

What type of inhibitor binds away from the active site?

Non-competitive

200

What is a benefit of immobilized enzymes for manufacturing?

- Reusable

200

What's the largest ocean in the world?

Pacific Ocean

300

Which model explains enzyme flexibility?

Induced fit

300

What is the maximum velocity of an enzyme-catalyzed reaction?

V max

300

What type of inhibition involves pathway regulation?

Feedback Inhibition
300

What enzyme is used for lactose-free milk production?

Lactase

300

What is the official language of Brazil?

Portuguese

400

What is formed after an enzymes binds to a substrate?

Enzyme substrate complex

400

What's the substrate concentration at which an enzyme works at half its maximum rate

Michaelis-Menten constant (Km)

400

How does a competitive inhibitor affect reaction rate? (Think of the graph)

Slows the initial rate but does not decrease the maximum possible rate

400

What is the main advantage of immobilized enzymes in reactions?

Stability

400

In which years did WWII take place?

1939 - 1945

500

What kind of proteins are enzymes?

Globular

500

What limits the reaction rate at high substrate concentration?

Saturation

500

What effect does increasing substrate have on non-competitive inhibition?

No effect

500

What remains uncontaminated in immobilized enzyme reactions?

Product

500

How many bones are there in an adult human body?

206

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