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Enzymes

Biology

9th - 12th Grade

Used 4+ times

Enzymes
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32 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

reusable
catalyst
specific
fragile

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

With what 3 letters do enzymes typically end?

-ose
-ase
-ese
-tic

3.

MULTIPLE CHOICE QUESTION

2 mins • 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.

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Which of the following conclusions can be drawn from this graph?

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 .

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Coenzyme
Substrate
Vitamin
Polypeptide

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Enzymes are...

nucleic acids
proteins
lipids
carbohydrates

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

true
false

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