Quiz on Enzymes

What are enzymes primarily made of?

• Carbohydrates

• Proteins

• Lipids

• Nucleic acids

How do enzymes affect the speed of chemical reactions in the body?

• They have no effect

• They slow them down

• They speed them up

• They stop them completely

What is the main characteristic of a catalyst?

• It is consumed in the reaction

• It speeds up the reaction

• It changes the reaction's products

• It slows down the reaction

Enzymes are essential for what process in the body?

• Slowing down chemical reactions

• Speeding up chemical reactions

• Stopping chemical reactions

• Changing chemical reaction products

What is one role of enzymes in the body?

• They store energy.

• They build larger molecules from smaller ones.

• They transport oxygen.

• They produce light.

Which of the following is a role of enzymes in the body?

• They create light.

• They build and break down molecules.

• They store fat.

• They produce sound.

What is the role of the active site in an enzyme?

• To act as a product

• To bind the substrate

• To become a substrate

• To inhibit the reaction

Which part of the enzyme is responsible for its specificity?

• Product

• Substrate

• Active Site

• Enzyme-Substrate Complex

What happens to the substrate when it binds to an enzyme?

• It becomes an enzyme

• It is either built up or broken down

• It remains unchanged

• It becomes an inhibitor

What is the outcome of an enzyme-substrate interaction?

• A new enzyme

• A new substrate

• A product

• An inhibitor