WorksheetsMicrobial Metabolism Quiz 18
Total questions: 10
Worksheet time: 5mins
What is the sum of all chemical and biochemical reactions occurring in a cell called?
Anabolism
Enzyme activity
Metabolism
Catabolism
Which process involves the breaking down of macromolecules for energy generation?
Anabolism
Fermentation
Catabolism
Photosynthesis
What type of reaction consumes energy and is called endergonic?
Chemical reactions
Catabolic reactions
Anabolic reactions
Exergonic reactions
What is the term for the part of the enzyme where the substrate binds?
Prosthetic group
Co-factor
Holoenzyme
Active site
What happens to enzyme activity when substrate concentration increases?
Decreases
Increases until saturation
Remains constant
Stops completely
Which type of inhibition involves the inhibitor binding to the active site?
Non-competitive inhibition
Competitive inhibition
Allosteric inhibition
Feedback inhibition
What is the effect of temperature on enzyme activity?
Enzymes work best at any temperature
Higher temperatures always increase activity
Enzymes can denature at high temperatures
Temperature has no effect on enzymes
Which of the following is NOT a type of enzyme based on chemical composition?
Ribozymes
Lipids
Proteins
RNA
What is the complete enzyme called that includes both the apoenzyme and co-factor?
Co-enzyme
Apoenzyme
Prosthetic group
Holoenzyme
What is the term for the energy required to start a chemical reaction?
Activation energy
Potential energy
Kinetic energy
Thermal energy
