12 Questions
What are enzymes primarily responsible for?
Lowering the activation energy of reactions
What is the active region on an enzyme called?
Catalytic center
What is a holoenzyme composed of?
Apoenzyme and cofactors
What is the compound on which an enzyme acts called?
Substrate
What do enzymes form when a substrate binds to their active site?
Enzyme-substrate complex
What is the term for the energy barrier that substrates need to overcome before a reaction will occur?
Activation energy
Which type of cofactor are small organic molecules called?
Coenzymes
Which enzyme helps in the breakdown of lipids?
Lipases
Which type of specificity do enzymes exhibit when they act on a particular steric or optical isomer?
Stereo chemical specificity
What is the term for the model where the enzyme changes its shape for substrate binding?
Induced-fit model
What are metal ions referred to when they are tightly bound as cofactors?
Metalloenzymes
Which type of specificity do enzymes exhibit when they act on molecules with specific functional groups?
Group specificity
Learn about enzymes as proteinic molecules that act as catalysts to speed up biological reactions. Understand the structure and function of holoenzyme and its specific binding regions for substrates.
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