Biofuel lab overview

What are enzymes typically made of?

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

What is the primary function of enzymes in chemical reactions?

• Slow down reactions

• Act as reactants

• Speed up reactions

• Provide energy

Which of the following processes require enzymes?

• Photosynthesis

• Evaporation

• Condensation

• Freezing

What happens to the substrate in an enzyme-catalyzed reaction?

• It is destroyed

• It is converted into product

• It remains unchanged

• It evaporates

What is the transition state in a chemical reaction?

• The initial state

• The final state

• The structure in the reaction with the highest energy

• The structure in the reaction with the lowest energy

What is the role of cellobiase in the reaction with cellobiose?

• To form cellobiose

• To stabilize cellobiose

• To break down cellobiose

• To store cellobiose

What is the function of the pocket in cellobiase?

• To store energy

• To fit the cellobiose molecule

• To release glucose

• To change shape

What is the analogy used to describe the role of enzymes in chemical reactions?

• A lock and key

• A matchmaker

• A puzzle piece

• A magnet

What conditions are enzymes "picky" about?

• Light and sound

• Temperature and pH

• Pressure and volume

• Color and texture

What is the significance of breaking down cellulose for ethanol production?

• It forms ethanol directly.

• It is a step in creating ethanol from sugar.

• It converts ethanol into glucose.

• It synthesizes ethanol from proteins.