Practice Factors Affecting Enzyme Activity (9.8.4) - BIOMOLECULES

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What happens to enzyme activity at low temperatures?
Show hintHide hint
Think of how enzymes behave in a refrigerator.
Question 2.
Define an optimal pH for enzymes.
Show hintHide hint
Remember the bell curve shape representing enzyme activity with respect to pH.
3Question 3.
What happens to enzymes at high temperatures?
- They become more active
- They get denatured
- They have no effect
Show hintHide hint
Think about cooking an egg.
4Question 4.
True or False: The activity of an enzyme increases indefinitely as substrate concentration increases.
- True
- False
Show hintHide hint
Consider what happens when all the enzymes are busy.
Question 5.
Describe how alterations in both temperature and pH could affect an industrial enzyme used in a manufacturing process.
Show hintHide hint
Think of manufacturing processes that depend on enzymes.
Question 6.
In a hypothetically conducted reaction, if an inhibitor is added that resembles the substrate but does not undergo a reaction, what effect would this have on overall enzyme activity and why?
Show hintHide hint
Consider the dynamics of competition.

5 more questions in this section. Enroll free to practise them all.