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Questions and Answers
What are enzymes primarily responsible for?
What are enzymes primarily responsible for?
- Participating directly in the reaction
- Increasing the energy barrier for substrates
- Storing energy in the chemicals
- Lowering the activation energy of reactions (correct)
What is the active region on an enzyme called?
What is the active region on an enzyme called?
- Substrate-specific zone
- Energy barrier site
- Catalytic center (correct)
- Reactant storage area
What is a holoenzyme composed of?
What is a holoenzyme composed of?
- Cofactors only
- Apoenzyme only
- Apoenzyme and cofactors (correct)
- Substrates only
What is the compound on which an enzyme acts called?
What is the compound on which an enzyme acts called?
What do enzymes form when a substrate binds to their active site?
What do enzymes form when a substrate binds to their active site?
What is the term for the energy barrier that substrates need to overcome before a reaction will occur?
What is the term for the energy barrier that substrates need to overcome before a reaction will occur?
Which type of cofactor are small organic molecules called?
Which type of cofactor are small organic molecules called?
Which enzyme helps in the breakdown of lipids?
Which enzyme helps in the breakdown of lipids?
Which type of specificity do enzymes exhibit when they act on a particular steric or optical isomer?
Which type of specificity do enzymes exhibit when they act on a particular steric or optical isomer?
What is the term for the model where the enzyme changes its shape for substrate binding?
What is the term for the model where the enzyme changes its shape for substrate binding?
What are metal ions referred to when they are tightly bound as cofactors?
What are metal ions referred to when they are tightly bound as cofactors?
Which type of specificity do enzymes exhibit when they act on molecules with specific functional groups?
Which type of specificity do enzymes exhibit when they act on molecules with specific functional groups?
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