Energy and Enzymes Quiz

What is the capacity to do work called?

• Kinetic energy

• Potential energy

• Heat energy

• Chemical energy

Which law of thermodynamics states that energy cannot be created or destroyed?

• First Law of Thermodynamics

• Second Law of Thermodynamics

• Third Law of Thermodynamics

• Zeroth Law of Thermodynamics

What is the disorder in the universe called?

• Entropy

• Enthalpy

• Activation energy

• Free energy

Which molecule is considered as the energy 'currency' of cells?

• ATP

• ADP

• AMP

• GTP

What type of work involves building a large molecule?

• Chemical work

• Mechanical work

• Transport work

• Metabolic work

What is the role of enzymes in chemical reactions?

• Increase activation energy

• Decrease activation energy

• Increase entropy

• Decrease entropy

Which type of inhibition occurs when a molecule competes with the substrate for binding to the active site of an enzyme?

• Competitive inhibition

• Noncompetitive inhibition

• Allosteric inhibition

• Feedback inhibition

What is the end product of a biochemical pathway often used as in feedback inhibition?

• Initial substrate

• Intermediate substrate A

• Intermediate substrate B

• End product

What is the term for the extra energy needed to get a reaction started?

• Activation energy

• Free energy

• Enthalpy

• Entropy

Which type of reaction requires an input of energy?

• Endergonic reaction

• Exergonic reaction

• Redox reaction

• Spontaneous reaction