Passive transport is characterized bya. the expenditure of atpb. no use of energyc. movement of molecules from a low concentration to a high concentrationd. movement of molecules from a high concentration to a low concentratione. a and cf. b and d

Which of these resources is used worldwide to make construction products, pottery, and porcelain

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

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.