Chapter 7, Problem 13Q

Summary Introduction

(a)

To write:

The types of cells which are restricted to the expression of MHC class II molecules.

Introduction:

MHC (major histocompatibility complex) class I molecules are among the two primary classes of MHC molecules which are present on the surface of all nucleated cells in the jawed vertebrate organisms. They are present on platelets but absent on the RBCs. MHC class I antigen arrangement path shows a significant function in warning the immune system to any kind of viral infection in cells. These are the peptide fragments derived from the intracellular proteins.

Summary Introduction

(B)

To write:

About the maximum types of cells present in the thymus or found in circulation through it and their function in mediating the two types of selection(positive or negative).

Introduction:

MHC (major histocompatibility complex) class I molecules are among the two primary classes of MHC molecules which are present on the surface of all nucleated cells in the jawed vertebrate organisms. They are present on platelets but absent on the RBCs. MHC class I antigen arrangement path shows a significant function in warning the immune system to any kind of viral infection in cells. These are the peptide fragments derived from the intracellular proteins.

Summary Introduction

(C)

To write:

The fate for non-circulating cells to produce MHC class II molecules in the thymus gland.

Introduction:

MHC (major histocompatibility complex) class I molecules are among the two primary classes of MHC molecules which are present on the surface of all nucleated cells in the jawed vertebrate organisms. They are present on platelets but absent on the RBCs. MHC class I antigen arrangement path shows a significant function in warning the immune system to any type of viral infection in cells. These are the peptide fragments derived from the intracellular proteins.