Y3 Enzymes

The substance that binds to an enzyme is called a?

• Polymer

• Complex

• Product

• Substrate

Which of the following best explains why enzymes are necessary for reactions in our cells?

• The reactions are too slow to meet the needs of the cell if enzymes are missing.

• Enzymes supply the oxygen necessary for the reactions.

• Enzymes change reactants from solid to liquid during the reactions.

• The reactions take up too much space in the cell if enzymes are missing.

Changes in pH and temperature can ___________________ an enzyme which causes it to lose its shape and affects its function.

• puncture

• denature

• double

• delete

Tags

NGSS.HS-PS1-5

What is the purpose of an enzyme?

• control how many reactions occur

• raise activation energy

• give permission for the reaction

• speed up chemical reactions

Tags

NGSS.HS-PS1-5

After the enzyme and substrate bind together and perform the reaction, what does the substrate become?

• a substrate

• an active site

• an enzyme

• a product

Enzymes are _______________ that _____________________ chemical reactions by ____________ the amount of activation energy required to start the reaction.

• carbohydrates, slow down, lowering

• proteins, speed up, increasing

• lipids, speed up, lowering

• proteins, speed up, lowering

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

Tags

NGSS.MS-LS3-1

Each enzyme only has 1 substrate that will fit its active site.  What is this called?

• reusable
• catalyst
• specific
• fragile

What 3 letters do enzymes typically end in?

• -ose
• -ase
• -ese
• -tic

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

• monomer

• substrate

• product

• protein