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Enzymes Quiz

Authored by Katie Johnson

Biology

10th Grade

Used 3+ times

Enzymes Quiz
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of enzymes in living organisms?

Create energy for the organism

Slow down chemical reactions

Regulate body temperature

Speed up chemical reactions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the structure of an enzyme and how it relates to its function.

Enzymes have a flat, two-dimensional structure that allows them to transport molecules across the cell membrane.

Enzymes are made of inorganic materials and do not have a specific shape, which allows them to perform a wide range of functions.

The structure of an enzyme is a long, fibrous carbohydrate that allows it to store energy.

The structure of an enzyme is typically a globular protein with a specific 3D shape, which allows it to bind to its substrate and catalyze a specific chemical reaction.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the role of activation energy in enzyme-catalyzed reactions.

Activation energy has no role in enzyme-catalyzed reactions

Enzymes have no effect on the activation energy of the reaction

Enzymes increase the activation energy required for the reaction to occur

Enzymes lower the activation energy required for the reaction to occur

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do enzymes speed up chemical reactions?

By lowering the activation energy

By increasing the activation energy

By changing the temperature of the reaction

By decreasing the concentration of reactants

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Discuss the factors that can affect enzyme activity.

Temperature, pH, substrate concentration, enzyme concentration, inhibitors, activators

Enzyme brand

Color of the enzyme

Time of day

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the active site in enzyme-substrate interactions?

The active site is where the enzyme and substrate bind together and produce energy.

The active site is where the enzyme and substrate bind together and form a physical barrier.

The active site is where the enzyme and substrate bind together and undergo a chemical reaction.

The active site is where the enzyme and substrate repel each other and prevent a chemical reaction.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of enzyme specificity and give an example.

Enzyme specificity is the concept that each enzyme catalyzes a specific reaction. For example, the enzyme lactase specifically catalyzes the breakdown of lactose into glucose and galactose.

Enzyme specificity is the concept that enzymes can catalyze multiple reactions

For example, the enzyme lactase breaks down proteins

Enzyme specificity means that enzymes can catalyze any reaction

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