Enzyme Catalase

What type of macromolecule are enzymes?

• Protein
• Carbohydrate
• Lipid
• Nucleic Acid

Tags

NGSS.HS-LS1-1

Which of the following correctly describes how enzymes work?

• they can work on any molecule

• they supply energy to the reaction

• enzymes become products at the end of a reaction

• they lower the energy needed for a reaction

Enzymes are made up of these repeating monomers called

• monosaccharides

• amino acids

• nucleotides

• phospholipids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

The part of the enzyme that the substrate bonds to is called the _____.

• active site
• activation energy
• bond site
• peptide bond

The energy needed to start a reaction is called

• activation energy

• adhesion energy

• chemical energy

• cohesion energy

Tags

NGSS.HS-PS1-5

Which of these is NOT true?

• Enzymes can denature (change shape) when the temperature gets too high.
• Enzymes can only be used once in a chemical reaction. 
• Extreme pH can denature enzymes.
• Enzymes speed up chemical reactions. 

Tags

NGSS.HS-PS1-5

Which enzyme breaks down hydrogen peroxide to water and oxygen gas?

• sucrase

• lactase

• amylase

• catalase

Which of these is most likely an enzyme?

• Sucrose

• glycogen

• Fructose

• Amylase

What was the substrate in our enzyme lab?

• Hydrogen peroxide

• Catalase

• paper discs

• Oxygen gas

in our enzyme lab, what, specifically, caused the paper discs to rise?

• hydrogen peroxide

• water

• oxygen

• catalase

Tags

NGSS.HS-PS1-2