Practice Quaternary Structure - 2.4.4 | Chapter 14: Biomolecules | ICSE Class 12 Chemistry
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2.4.4 - Quaternary Structure

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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is meant by 'quaternary structure' in proteins?

💡 Hint: Think about how multiple chains can create complex shapes.

Question 2

Easy

Give an example of a protein with quaternary structure.

💡 Hint: Consider proteins that transport substances in the body.

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 best defines quaternary structure in proteins?

  • Sequence of amino acids
  • Lone polypeptide chain
  • Assembly of multiple polypeptide chains

💡 Hint: Focus on the complexity of how proteins can be assembled.

Question 2

True or False: Quaternary structure can only form with identical subunits.

  • True
  • False

💡 Hint: Think of the difference between homomers and heteromers.

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Challenge Problems

Push your limits with challenges.

Question 1

Given that a protein with a quaternary structure can lose functionality due to subunit mutation, analyze the potential effects of such a mutation on its activity and context in biological systems.

💡 Hint: Think about existing diseases linked to protein structure mutations.

Question 2

How does the quaternary structure facilitate the efficiency of hemoglobin in oxygen transport compared to individual polypeptide chains?

💡 Hint: Consider the role of cooperative binding in enzymatic activity.

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