<prompt> The term MHC restriction refers to which of the following statements?Inheritance of MHC moleculesNeed for antigen to be recognized in association with MHC moleculesNeed for MHC genes to control complement activityNeed for MHC molecules in order to reject grafts  <response>: MHC class I- or class II-restriction means that T cells recognize antigen peptide fragments only when they are presented in the antigen-recognition site of a class I for CD8 T cells or class II MHC moleculefor CD4 T cells, respectively. 