Practice Molecules - 1 | Theme D: Continuity and Change | IB Grade-12 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the role of helicase in DNA replication?

πŸ’‘ Hint: Think of a zipper being pulled down.

Question 2

Easy

Name one type of mutation.

πŸ’‘ Hint: It's a single nucleotide change.

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 main function of DNA helicase?

  • Synthesize RNA
  • Unwind the DNA double helix
  • Repair DNA

πŸ’‘ Hint: It helps in pulling the strands apart.

Question 2

Is it true that mutations can be beneficial to an organism?

  • True
  • False

πŸ’‘ Hint: Remember evolution and natural selection.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Analyze how a missense mutation in a critical enzyme gene could lead to metabolic disorders.

πŸ’‘ Hint: Think about how proteins affect metabolic pathways.

Question 2

Design an experiment using CRISPR to study the effects of a gene on plant growth.

πŸ’‘ Hint: Consider what traits you would measure.

Challenge and get performance evaluation