Immune System
Major Histo Compatibility Complex (MHC) is a collection of genes arrayed on

chromosome 17in man, chromosome 6 in mice
chromosome 6 in man, chromosome 17 in mice
chromosome 6 in man, chromosone 21 in mice
chromosome 21 in man, chromosome 6 in mice

ANSWER DOWNLOAD EXAMIANS APP

Immune System
Polymorphonuclear leukocytes (or PMNs)

are a type of phagocyte that can engulf and kill bacteria
are derived from bone marrow stem cells
All of these
can be attracted to the site of an infection following activation of complement

ANSWER DOWNLOAD EXAMIANS APP