Metabolism and Biochemical Processes Quiz

What role do enzymes play in metabolism?

• They act as inhibitors.

• They act as catalysts.

• They act as substrates.

• They act as products.

What is the process called when smaller compounds are combined to form larger compounds?

• Hydrolysis

• Oxidation

• Condensation

• Reduction

Which type of reaction is photosynthesis an example of?

• Catabolic

• Anabolic

• Exothermic

• Hydrolytic

What is released as a by-product of condensation reactions?

• Oxygen

• Carbon dioxide

• Water

• Glucose

What type of process is cell respiration?

• Endergonic

• Exergonic

• Anabolic

• Photosynthetic

What is the primary role of an enzyme in a chemical reaction?

• To increase the activation energy

• To act as a biological catalyst

• To consume the substrate

• To change the products

What is the term used to describe the specific area of an enzyme where a substrate binds?

• Active site

• Binding site

• Reaction site

• Enzyme site

Which model describes an enzyme with an active site that precisely fits one distinct substrate?

• Induce fit model

• Lock and key model

• Random fit model

• Substrate model

What can increase the frequency of successful collisions in enzyme reactions?

• Decreasing molecular motion

• Increasing molecular motion

• Reducing thermal energy

• Lowering concentration of particles

What is the term for the loss of biological activity in an enzyme due to changes in temperature or pH?

• Activation

• Denaturation

• Catalysis

• Reversion