Enzyme Inhibition (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 effect of enzyme inhibitors on enzyme function?
What is the primary effect of enzyme inhibitors on enzyme function?
They reduce enzyme activity
Why can competitive inhibitors bind to an enzyme's active site?
Why can competitive inhibitors bind to an enzyme's active site?
They have similar shape to substrate
How many molecules can occupy an enzyme's active site at any given time?
How many molecules can occupy an enzyme's active site at any given time?
Only one molecule
What happens to competitive inhibition when substrate concentration is very high?
What happens to competitive inhibition when substrate concentration is very high?
Inhibition can be completely overcome
Where do non-competitive inhibitors bind on an enzyme?
Where do non-competitive inhibitors bind on an enzyme?
At an allosteric site
Can non-competitive inhibition be overcome by increasing substrate concentration?
Can non-competitive inhibition be overcome by increasing substrate concentration?
No, it cannot be overcome
In end-product inhibition, which enzyme does the final product inhibit?
In end-product inhibition, which enzyme does the final product inhibit?
The first enzyme in the pathway
What type of inhibition is typically used in end-product inhibition?
What type of inhibition is typically used in end-product inhibition?
Non-competitive
Which is a key advantage of metabolic control through enzyme inhibition?
Which is a key advantage of metabolic control through enzyme inhibition?
Prevents overproduction of end products
What is the most crucial difference between competitive and non-competitive inhibition?
What is the most crucial difference between competitive and non-competitive inhibition?
Competitive can be overcome by substrate