O phagocytic cells QUESTION 18 The immune system is capable of mounting specific responses to particular microorganisms because O lymphocytes are able to change their antigen specificity as required...

Extracted text: O phagocytic cells QUESTION 18 The immune system is capable of mounting specific responses to particular microorganisms because O lymphocytes are able to change their antigen specificity as required to fight infection the body is able to determine which type of B and T cells to make the body contains an enormous diversity of B and T cells, each with a specific kind of antigen receptor O the body is able to make different antigen receptors depending on the invading microorganism QUESTION 19 What chromosomes belong to a normal human male? 22 autosomes and two Y chromosomes 11autosomes and two Y chromosomes