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

Movement into and out of cells — practice question

In plants, assimilates such as sucrose are transferred from source cells into sieve tube elements. The assimilates are then moved from source to sink. What is required to move sucrose from source cells through phloem tissue to sink cells?

    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