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.

Enzymes are made up of _____________________.

Which of the following is most likely an Enzyme?

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

What letter corresponds to the Active Site in this diagram?

What letter corresponds to the Substrate in this diagram?

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

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

Lactase and Lactose combine together, to break down, 

and produce Glucose and Galactose.

Which of the following is the Enzyme?

Lactase and Lactose combine together, to break down, 

and produce Glucose and Galactose.

Which of the following is the Substrate?