Practice Transcriptional Regulation - 2.1 | Nucleic Acids and Protein Synthesis (HL) | IB MYP Grade 12 Biology
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2.1 - Transcriptional Regulation

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the function of a promoter in transcription?

💡 Hint: Think of it as the 'start button' for gene expression.

Question 2

Easy

Name one type of epigenetic modification.

💡 Hint: This modification often silences genes.

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 role do enhancers play in gene expression?

  • They initiate transcription
  • They increase transcription levels
  • They are responsible for mRNA translation

💡 Hint: Consider how enhancers work with promoters.

Question 2

True or False: DNA methylation usually activates gene expression.

  • True
  • False

💡 Hint: Recall what happens when methyl groups are added.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

The gene for a specific growth factor is found to be consistently silenced in certain cancer cells. Discuss how DNA methylation might contribute to this phenomenon and propose a method for reversing this silencing.

💡 Hint: Think about how methyl groups affect gene activity.

Question 2

Suppose a new transcription factor is discovered that enhances the expression of a gene involved in heart disease. Discuss how this factor's pathway could be potentially targeted for therapeutic intervention.

💡 Hint: Consider how factors interact with other cellular pathways.

Challenge and get performance evaluation