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 of the following is an example of an anabolic reaction?

• Fermentation

• Photosynthesis

• Glycolysis

• Respiration

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 cell?

• To act as a structural component

• To speed up chemical reactions

• To store genetic information

• To transport molecules across membranes

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

• Active site

• Binding pocket

• Reaction zone

• Catalytic core

Which model describes an enzyme's active site as precisely fitting one distinct substrate?

• Induced fit model

• Lock and key model

• Random fit model

• Universal fit 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 enzymes due to changes in temperature or pH?

• Denaturation

• Deactivation

• Decomposition

• Dehydration