Enzymes, Substrates & Products (AQA A-Level 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 role of enzymes in living organisms?
What is the primary role of enzymes in living organisms?
Biological catalysts
What colour does the Biuret test produce when enzymes are present?
What colour does the Biuret test produce when enzymes are present?
Violet
What type of biological molecule are all enzymes?
What type of biological molecule are all enzymes?
Proteins
What is the active site of an enzyme?
What is the active site of an enzyme?
Where substrate binds and reactions occur
How do the shapes of the active site and substrate relate to each other?
How do the shapes of the active site and substrate relate to each other?
Complementary shapes
What forms when a substrate binds to an enzyme's active site?
What forms when a substrate binds to an enzyme's active site?
Enzyme-substrate complex
What happens to the enzyme after products are released?
What happens to the enzyme after products are released?
Remains unchanged and can be reused
What does enzyme specificity mean?
What does enzyme specificity mean?
Each enzyme catalyses one reaction type
What is the substrate for the enzyme amylase?
What is the substrate for the enzyme amylase?
Starch
What effect do enzymes have on the activation energy of reactions?
What effect do enzymes have on the activation energy of reactions?
Reduce it