ENZYMES

ENZYMES

Assessment

Passage

Science

9th Grade

Easy

Created by

PATRICIA PARROTT

Used 3+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is activation energy?

Energy released during a reaction

Energy required to start a reaction

Energy stored in products

Energy lost as heat

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of an enzyme on the energy required for a reaction?

It increases the energy required

It decreases the energy required

It has no effect

It doubles the energy required

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the transition state in a chemical reaction?

The initial state of reactants

The final state of products

The high-energy state during a reaction

The low-energy state during a reaction

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of enzymes on the transition state of a reaction?

They raise the energy of the transition state

They lower the energy of the transition state

They have no effect

They eliminate the transition state

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of activation energy in a chemical reaction?

It is the energy released

It is the energy required to start the reaction

It is the energy stored in products

It is the energy lost as heat

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are enzymes described as "picky"?

They can fit multiple substrates.

They can only fit one kind of substrate.

They change shape frequently.

They are not reusable.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the location where a substrate fits into an enzyme?

Active site

Inactive site

Binding site

Reaction site

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