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Chapter 2 Test Review

Authored by Nicholas Patel

Biology

9th Grade

Used 64+ times

Chapter 2 Test Review
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a substance called if it speeds up a chemical reaction?

reusable
catalyst
specific
fragile

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?

Enzymes increase the energy of the reactants.
Enzymes decrease the energy level of the products.
Enzyme decrease the activation energy of the reaction.
Enzymes reverse the direction of the reaction.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Any substance that is acted upon by an enzyme is called a(n)?

Coenzyme
Substrate
Vitamin
Polypeptide

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the diagram, what is letter A? 

product
substrate
enzyme-substrate complex
active site

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Enzymes are...

nucleic acids
proteins
lipids
carbohydrates

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 

true
false

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of an enzyme?

enzymes break themselves into small pieces
enzymes slow down chemical reactions
enzymes speed up chemical reactions
enzymes combine products to form reactants 

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