Factors That Affect 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 optimal temperature range for human enzymes?
What is the optimal temperature range for human enzymes?
36-38°C
Which statement about temperature effects on enzymes is correct?
Which statement about temperature effects on enzymes is correct?
High temp denaturation is irreversible
On a temperature-enzyme activity graph, what does point X represent?
On a temperature-enzyme activity graph, what does point X represent?
The optimal temperature
What is the optimal pH for pepsin found in the stomach?
What is the optimal pH for pepsin found in the stomach?
1.5-2
At which pH extremes can enzyme denaturation occur?
At which pH extremes can enzyme denaturation occur?
Both too acidic and too alkaline
What happens at the saturation point in enzyme reactions?
What happens at the saturation point in enzyme reactions?
All active sites are occupied
What occurs when enzyme concentration increases with constant substrate?
What occurs when enzyme concentration increases with constant substrate?
Reaction rate increases
How do competitive inhibitors affect enzyme function?
How do competitive inhibitors affect enzyme function?
Block the active site directly
What characterizes reversible enzyme inhibition?
What characterizes reversible enzyme inhibition?
Weak bonds that can be overcome
How many phosphate groups does ATP have compared to ADP?
How many phosphate groups does ATP have compared to ADP?
Three vs two