Answer:
because that way protons can be compartmentalized and form a gradient.
Yes, that's possible, but highly unusual.
Answer:
some definitions
Explanation:
-the complete flower head of a plant including stems, stalks, bracts, and flowers
-the arrangement of the flowers on a plant
-the process of flowering.
I would say your answer is temperature... as it is the measure or degree of heat present in a substance or object, but because I can't see your list of options, I can't be certain.
Hope this is somewhat helpful!
I guess it’s ATP because active transport requires energy from the mitochondria in cells to move particles/substances against the concentration gradient.