Introducing Enzymes (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the primary function of enzymes in biological systems?
What is the primary function of enzymes in biological systems?
Speed up specific chemical reactions
Why are enzymes considered highly efficient?
Why are enzymes considered highly efficient?
They remain unchanged after catalysis
What does it mean that enzymes are specific to their substrates?
What does it mean that enzymes are specific to their substrates?
They bind to one or few related substrates
What is the active site of an enzyme?
What is the active site of an enzyme?
Where the substrate binds to the enzyme
Which model more accurately represents enzyme-substrate binding?
Which model more accurately represents enzyme-substrate binding?
Induced fit model
How do enzymes speed up chemical reactions?
How do enzymes speed up chemical reactions?
By lowering the activation energy
What suffix typically indicates a word refers to an enzyme?
What suffix typically indicates a word refers to an enzyme?
-ase
What happens in a biochemical pathway?
What happens in a biochemical pathway?
Product of one becomes substrate of next
What type of reaction breaks down larger molecules into smaller ones?
What type of reaction breaks down larger molecules into smaller ones?
Catabolic reaction
Lactose intolerance results from a deficiency of which enzyme?
Lactose intolerance results from a deficiency of which enzyme?
Lactase