Enzyme Quiz

Specialized proteins known as ___________________ act as catalysts in living things by breaking down substances like food molecules and by lowering the activation energy needed for biochemical reactions.

• Substrates

• Nucleotides

• Cellulose

• Enzymes

Enzymes are made up of _____________________.

• Monosaccharides

• Fatty Acids

• Amino Acids

• Nucleotides

Tags

NGSS.HS-LS1-6

Which of the following is most likely an Enzyme?

• Amylase

• Glucose

• Lactose

• Fructose

Iron is known to rust faster in salt water.  Salt acts as a _________________ because it speeds up the chemical reaction between iron and oxygen.

• Polymer

• Catalyst

• Product

• Covalent Bond

Tags

NGSS.MS-PS1-2

What letter corresponds to the Active Site in this diagram?

• A

• B

• C

• None of the Above

What letter corresponds to the Substrate in this diagram?

• A

• B

• C

• None of the Above

When a Enzyme becomes __________________ it loses its shape and ceases to function effectively because the substrate no longer fits well into the active site

• Acidic

• Neutral

• Catalyzed

• Denatured

Enzymes need to have the right shape and right fit. However, Enzymes also work best at a specific ____________________ and ____________________

• Protein / Sugar

• Temperature / Polarity

• Temperature / pH

• Density / pH

Lactase and Lactose combine together, to break down, 

and produce Glucose and Galactose.

Which of the following is the Enzyme?

• Lactose

• Lactase

• Glucose

• Galactose

Lactase and Lactose combine together, to break down, 

and produce Glucose and Galactose.

Which of the following is the Substrate?

• Lactose

• Lactase

• Glucose

• Galactose

Tags

NGSS.MS-LS1-7