--%>

Cell types forming the phloem

State the cell types which form the phloem? Specify it’s the main features?

E

Expert

Verified

The main cells which form the phloem are the sieve elements and the companion cells. The sieve elements make the vessel walls; they are considered as living enucleated cells located in the series making the sieve tubes. Between the successive vessels elements there exist communicating pores. The companion cells are situated outside and alongside the sieve tubes and they help within the absorption of material to be transported.

   Related Questions in Biology

  • Q : DNA fingerprint Explain the fact of

    Explain the fact of Molecular Biology upon which the DNA fingerprint is based?

  • Q : Importance of leadership Importance of

    Importance of leadership The following importance of leadership is prescribed as followings point: Facilitating change:

  • Q : Cytoplasmic structures exist in animal

    What are the most important cytoplasmic structures exist in animal cells?

  • Q : Name the organ where clotting factors

    Name the organ where most of the clotting factors are generated? Describe the role of vitamin K in the blood coagulation?

  • Q : Handling of the large datasets How the

    How the large datasets can be handled?

  • Q : Strategies of anti-retroviral drugs

    What are some strategies of the anti-retroviral drugs used in the AIDS treatment?

  • Q : Main features of meristematic

    Write down the main features of meristematic cells? Why do these cells require having a high mitotic rate?

  • Q : My View on Learning Organization

    In my view, organizational learning is just a means in order to achieve strategic objectives. But creating a learning organization is also a goal, since the ability permanently and collectively to learn is a necessary precondition for thriving in the new context. Therefore, the capacity of an org

  • Q : Organizational Conflict -

    In an organizational situation, conflict may manifest itself in a number of different modes. Such conflicts may be within the organization itself (intra-organizational) or between various organizations (inter-organizational) intra-organizational conflicts may be

  • Q : Decision theory approach Decision

    Decision theory approach The decision theory school focused on the managerial decision making which, in its view, is the core management task, pervading all manageme