Which statements describe the energy in a food web? select three options. a. When an organism eats another organism, it loses energy.
b. Producers have the greatest amount of available energy.
c. Energy can follow many different paths.
d. When an organism eats another organism, it gains energy.
e. Producers have the least amount of available energy.
f. Energy always follows a single path.

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.