Biology 9700 · AS & A Level · Cells as the basic units of living organisms

Cells as the basic units of living organisms — practice question

The diagram illustrates a section of the nitrogen cycle. Which process is performed by denitrifying bacteria?

    Worked solution & mark scheme

    This 1-mark question has a full step-by-step worked solution and mark scheme.

    • Full mark scheme, point by point
    • Step-by-step worked solution
    • Write your answer & get it marked instantly by AI