The functions of helper T cells compared with cytotoxic T cells and the role of MHC molecules in their responses. Introduction: The cytotoxic T cells, as well as helper T cells, are the two main classes of T cells. The cytotoxic T cells kill cells directly which are infected with a virus or even some other intracellular pathogenic organisms. The helper T cells help in the stimulation of the responses of other cells, in particular, the B cells, macrophages, and cytotoxic T cells.

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Answer 1

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 13.3, Problem 4LO

Summary Introduction

To determine:

The functions of helper T cells compared with cytotoxic T cells and the role of MHC molecules in their responses.

Introduction:

The cytotoxic T cells, as well as helper T cells, are the two main classes of T cells. The cytotoxic T cells kill cells directly which are infected with a virus or even some other intracellular pathogenic organisms. The helper T cells help in the stimulation of the responses of other cells, in particular, the B cells, macrophages, and cytotoxic T cells.

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Answer 2

Question

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 13.3, Problem 4LO

Summary Introduction

To determine:

The functions of helper T cells compared with cytotoxic T cells and the role of MHC molecules in their responses.

Introduction:

The cytotoxic T cells, as well as helper T cells, are the two main classes of T cells. The cytotoxic T cells kill cells directly which are infected with a virus or even some other intracellular pathogenic organisms. The helper T cells help in the stimulation of the responses of other cells, in particular, the B cells, macrophages, and cytotoxic T cells.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 13.3, Problem 4LO

Summary Introduction

To determine:

The functions of helper T cells compared with cytotoxic T cells and the role of MHC molecules in their responses.

Introduction:

The cytotoxic T cells, as well as helper T cells, are the two main classes of T cells. The cytotoxic T cells kill cells directly which are infected with a virus or even some other intracellular pathogenic organisms. The helper T cells help in the stimulation of the responses of other cells, in particular, the B cells, macrophages, and cytotoxic T cells.

Expert Solution & Answer

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Answer 4

Question

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 13.3, Problem 4LO

Summary Introduction