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Enzymes CH 2.4 (Practice)

Authored by Malcom Delgado

Biology

9th Grade

NGSS covered

Used 48+ times

Enzymes CH 2.4 (Practice)
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Most enzymes are which of the following macromolecules?

Carbohydrates

Lipids

Proteins

Nucleic acids

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false, enzymes are catalysts found in living things.

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of a catalyst?

To increase the rate of chemical reactions

To decrease the rate of chemical reactions

To maintain the rate of chemical reactions

To introduce more cats into the chemical reaction

Tags

NGSS.HS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True, or false, enzymes are permanently altered during chemical reactions.

True

False

Tags

NGSS.HS-LS1-7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Without an enzyme present, a chemical reaction will require ____ energy to be activated.

More

Less

The same amount of

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ____ is what temporarily binds to the enzyme and is the reactant in the chemical reaction.

Enzyme

Active site

Substrate

Enzyme-substrate complex

7.

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.

Tags

NGSS.MS-PS1-2

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