epithelial tissues always exhibit polarity; that is, they have a free surface and a basal surface. true or false?

What amino acid is coded for by this sequence after the mutation

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

One of the newest applications of cell technology is called cybrid embryos. this process involves replacing the nuclear material of an animal cell with human nuclear material. how might this process affect public policies about research by using stem cells? the same policies and concerns about the use of human embryonic stem cells would most likely apply. the embryos would most likely be treated like traditional animal embryos and regulated accordingly. the process of forming cybrid embryos would most likely be banned by government regulators. the embryos would be treated as regular cells because they are not fully human in origin.