Root nodules are associations between bacteria and plant roots responsible for a. the plant convert necessary carbon dioxide for use. b. the plant convert necessary oxygen for use. c. the plant convert the necessary water for use. d. the plant convert the necessary nitrogen for use.

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

If animal agriculture was eliminated, how much grain would become available for human consumption?

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.