Doctors do not administer vaccinations to people who are too sick. which best explains why?
a. the weakened or dead form of the pathogen may not have any effect on sick people.
b. the weakened or dead form of the pathogen may have a fatal effect when it is combined with medication that the sick people are taking.
c. the digestive systems of sick people may be negatively affected by the weakened or dead pathogen.
d. the white blood cells of sick people may not be able to efficiently handle the weakened or dead form of the pathogen.

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results

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.

Which label correctly identifies what x represents in the concept map?