Practice Molecules (1) - Theme D: Continuity and Change - IB 12 Sciences Biology
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Molecules

Practice - Molecules

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the role of helicase in DNA replication?

💡 Hint: Think of a zipper being pulled down.

Question 2 Easy

Name one type of mutation.

💡 Hint: It's a single nucleotide change.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of DNA helicase?

Synthesize RNA
Unwind the DNA double helix
Repair DNA

💡 Hint: It helps in pulling the strands apart.

Question 2

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

True
False

💡 Hint: Remember evolution and natural selection.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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

💡 Hint: Think about how proteins affect metabolic pathways.

Challenge 2 Hard

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

💡 Hint: Consider what traits you would measure.

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Reference links

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