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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Cell structure

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Cell structure

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Paper 4Theory (Extended)3 marks

The role of specialized cells in the human body.

Description

Red Blood Cells

Red blood cells are specialized cells that transport oxygen from the lungs to the body's tissues. They have a unique biconcave shape and lack a nucleus.

  1. a

    Explain how the structure of red blood cells is related to their function.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Cell structure

Paper 4Theory (Extended)3 marks

Description

Specialized Cells

Root hair cells, palisade mesophyll cells, and red blood cells are examples of specialized cells in organisms. Each type has unique structures that enable them to perform specific functions effectively.

  1. a

    Describe the function of root hair cells and explain how their structure is adapted for this function.

    Aim for approximately 3 distinct marking points.

    [3]