biology

posted by .

outline why energy is needed for each of these processes:

a. the transport of sucrose in a plant
b the transmission of an action potential along a nerve axon
c. the selective reabsorption of glucose from a kidney nephron

I'm not exactly sure how I'm supposed to answer this.. thank you (:

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. action potentials

    this is in regards to action potentials. they do not affect the membrane potential of neurons. they increase in magnitude as they travel along an axon. they can be measured by using electodes. there is a loss in signal as they travel …
  2. biology

    Which of the following processes includes the other processes?
  3. AP Biology

    I have two questions: 1. Why are action potentials usually conducted in only one direction along an axon?
  4. Biology

    Action potentials: Tick the box next to the ONE answer you believe is TRUE. A. compound action potentials increase in amplitude as the stimulus strength is increased. B. ONE action potential takes in the order of 1-2 seconds to be …
  5. Biology

    Will iodine react with sucrose or glucose?
  6. Biology

    Will iodine react with sucrose or glucose?
  7. biology

    Hi, I appreciate your expert help,and I have a question for you. If I'm asked to decribe resting potential, action poential, and synaptic transmission,in point form;would the following responses be right?
  8. biology urgent

    Glucose is transported into a cell through a process of co-transport, where it is moved against its concentration gradient through a membrane channel. Moving any molecule against its concentration gradient requires energy, but these …
  9. Biochem

    The Na –glucose symport system of intestinal epithelial cells couples the \"downhill\" transport of two Na ions into the cell to the \"uphill\" transport of glucose, pumping glucose into the cell against its concentration gradient. …
  10. Physics

    The speed of propagation of the action potential (an electrical signal) in a nerve cell depends (inversely) on the diameter of the axon (nerve fiber). If the nerve cell connecting the spinal cord to your feet is 0.97 m long, and the …

More Similar Questions