If a transplant patient does not take anti rejection medication what will the expected prognosis be and what does this tell us about the importance of MHC ( major histocompatibility complex) molecules in this scenario?

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit