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Cambridge IGCSE Biology practice

Paper 4 structured question: Mitosis

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Mitosis

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Paper 4Theory (Extended)3 marks

Stem cells are undifferentiated cells that can divide to produce daughter cells which develop into specialized cells.

Description

Stem Cells

Stem cells are unique cells that have not yet specialized. They divide by mitosis to produce daughter cells. These daughter cells can then develop into specialized cells that perform specific functions in the body.

  1. a

    Describe what is meant by an undifferentiated cell?

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Describe how stem cells produce daughter cells that can develop into specialized cells.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 4 structured question: Mitosis

Paper 4Theory (Extended)3 marks

Diagram Description

Stem Cell Division

A diagram shows a stem cell dividing by mitosis to produce two daughter cells. One daughter cell remains a stem cell, and the other develops into a specialized cell such as a nerve cell.

  1. a

    Identify the type of cell shown before division.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Describe what happens to the daughter cells after mitosis in stem cell division.

    Aim for approximately 2 distinct marking points.

    [2]