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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an operon?
💡 Hint: Think about related genes working together.
Question 2
Easy
Name two levels of gene regulation in eukaryotes.
💡 Hint: One affects initial RNA production and the other affects RNA after production.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the function of a repressor in gene regulation?
- To enhance transcription
- To inhibit transcription
- To transport RNA
💡 Hint: Think about the role of repressors in controlling gene expression.
Question 2
True or False: The trp operon is an example of positive regulation.
- True
- False
💡 Hint: Consider the feedback mechanisms.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design an experiment to test the effect of a new sugar on the expression of the lac operon in E. coli. What controls would you include?
💡 Hint: Think about contrasting known operon behaviors.
Question 2
Evaluate the consequences of a mutation in the lac operon that disables the operator's ability to bind the repressor. What would happen to the expression of the lac operon?
💡 Hint: Consider what happens when the repressor system is compromised.
Challenge and get performance evaluation