Amino acids, Proteins & DNA (A Level only) (AQA A-Level Chemistry): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of biological molecule are enzymes?
What type of biological molecule are enzymes?
Specialized proteins
What is the small crevice or pocket within an enzyme's globular structure called?
What is the small crevice or pocket within an enzyme's globular structure called?
Active site
What property allows enzymes to catalyze reactions with only one enantiomer of a chiral substrate?
What property allows enzymes to catalyze reactions with only one enantiomer of a chiral substrate?
Stereospecificity
What forms when a substrate fits into an enzyme's active site?
What forms when a substrate fits into an enzyme's active site?
Enzyme-substrate complex
In the lock and key analogy, what does the substrate represent?
In the lock and key analogy, what does the substrate represent?
The key
How do enzymes speed up reactions?
How do enzymes speed up reactions?
By lowering the activation energy
What is activation energy?
What is activation energy?
Minimum energy required for a reaction
What are molecules called that block an enzyme's active site?
What are molecules called that block an enzyme's active site?
Inhibitors
How do enzyme inhibitor drugs prevent harmful reactions?
How do enzyme inhibitor drugs prevent harmful reactions?
By mimicking the substrate shape
What technique helps predict the 3D structure of enzymes to design inhibitors?
What technique helps predict the 3D structure of enzymes to design inhibitors?
Computer modelling