Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

The diagram depicts a longitudinal section through a phloem sieve tube together with a companion cell. In which location are the mitochondria found to provide energy for cotransport?

    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