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Learning objective

Illustrate and describe the structure of proteins as: H O H O N C N C N C.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE ChemistryOrganic chemistrySupplement content

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Quick explanation

Illustrate and describe the structure of proteins as: H O H O N C N C N C

  • This point belongs to Polymers, especially Polymers outcomes.
  • You need to be able to illustrate and describe the structure of proteins as: H O H O N C N C N C.
  • The key ideas to know are Describe and Draw.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeDraw

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This objective helps connect Polymers outcomes to exam-style questions, flashcards, and revision notes for Polymers.

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Paper 4 structured question: Polymers

Paper 4Theory (Extended)1 marks

Description

Protein Structure

Proteins are made of amino acids linked by peptide bonds. They contain carbon, hydrogen, oxygen, and nitrogen.

  1. a

    State the elements found in proteins.

    Aim for approximately 1 distinct marking point.

    [1]
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