How did francesco redi disprove the idea of spontaneous generation? a. he showed that flies did not grow from meat that was not exposed to air. b. he showed that flies did not grow from meat that was exposed to air. c. he showed that flies did not grow from meat that was not exposed to water. d. he showed that flies did not grow from meat that was exposed to water.

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.