The reason for fact that the rickettsias are obligate parasites . Concept introduction: Numerous bacteria from Genus of Rickettsia , Ehrlichia , and Orientia are known to cause rickettsial infections. The causative agents are classified into two groups; spotted fever group and typhus group.

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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 21, Problem 1SA

Summary Introduction

To explain:

The reason for fact that the rickettsias are obligate parasites.

Concept introduction:

Numerous bacteria from Genus of Rickettsia, Ehrlichia, and Orientia are known to cause rickettsial infections. The causative agents are classified into two groups; spotted fever group and typhus group.

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Explain what it means to be an obligate intracellular parasite.

State whether the following organisms are likely a: Helminth, Protozoan, Bacteria, Archaea, Fungi, Viroid, Virus or Prion. 1. Organism responsible for Rocky Mountain Spotted Fever 2. Organisms that can cause the misfolding of macromolecules similar to it. 3. Organism found living in the Dead Sea, known for its high salt concentration Is this one likely a Fungi?

Answer 2

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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 21, Problem 1SA

Summary Introduction

To explain:

The reason for fact that the rickettsias are obligate parasites.

Concept introduction:

Numerous bacteria from Genus of Rickettsia, Ehrlichia, and Orientia are known to cause rickettsial infections. The causative agents are classified into two groups; spotted fever group and typhus group.

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 21, Problem 1SA

Summary Introduction

To explain:

The reason for fact that the rickettsias are obligate parasites.

Concept introduction:

Numerous bacteria from Genus of Rickettsia, Ehrlichia, and Orientia are known to cause rickettsial infections. The causative agents are classified into two groups; spotted fever group and typhus group.

Expert Solution & Answer

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Check out a sample textbook solution

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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 21, Problem 1SA

Summary Introduction

To explain:

The reason for fact that the rickettsias are obligate parasites.

Concept introduction:

Numerous bacteria from Genus of Rickettsia, Ehrlichia, and Orientia are known to cause rickettsial infections. The causative agents are classified into two groups; spotted fever group and typhus group.

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Answer 5

Chapter 21, Problem 1SA

Summary Introduction

To explain:

The reason for fact that the rickettsias are obligate parasites.

Concept introduction:

Numerous bacteria from Genus of Rickettsia, Ehrlichia, and Orientia are known to cause rickettsial infections. The causative agents are classified into two groups; spotted fever group and typhus group.

Answer 6

Chapter 21, Problem 1SA

Summary Introduction

To explain:

The reason for fact that the rickettsias are obligate parasites.

Concept introduction:

Numerous bacteria from Genus of Rickettsia, Ehrlichia, and Orientia are known to cause rickettsial infections. The causative agents are classified into two groups; spotted fever group and typhus group.

Answer 7

Chapter 21, Problem 1SA

Summary Introduction

To explain:

The reason for fact that the rickettsias are obligate parasites.

Concept introduction:

Numerous bacteria from Genus of Rickettsia, Ehrlichia, and Orientia are known to cause rickettsial infections. The causative agents are classified into two groups; spotted fever group and typhus group.

Answer 8

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Answer 11

Ch. 21 - Why do most cases of rickettsial diseases occur...Ch. 21 - Prob. 2TMW Ch. 21 - Prob. 3TMW Ch. 21 - Why is a cholera pandemic unlikely to become...Ch. 21 - Two patientsa woman and her husband, ages 23 and...Ch. 21 - Most human infections caused by species of...Ch. 21 - Prob. 2MC Ch. 21 - Prob. 3MC Ch. 21 - Prob. 4MC Ch. 21 - The most commonly reported sexually transmitted...

The reason for fact that the rickettsias are obligate parasites . Concept introduction: Numerous bacteria from Genus of Rickettsia , Ehrlichia , and Orientia are known to cause rickettsial infections. The causative agents are classified into two groups; spotted fever group and typhus group.

Solution Summary: The author explains that rickettsias are obligate parasites. They have functional genes that encode for proteins involving the process of reproduction and production of ATP.

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