If a virus infects epithelial cells in the respiratory tract but does not infect professional apcs, what process ensures that naive t cells specific for viral antigens will become activated?

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.