Which organ does not produce hormones? select one: a. kidney b. stomach c. skin d. adipose tissue e. parathyroid gland f. pancreas g. heart h. spleen?

Although there are a limited number of amino acids many different types of proteins exist because..

Which direction does the energy flow in this energy pyramid ?

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.