Legionellosis is caused by Legionella pneumophila, a waterborne pathogen present in the interior of water distribution pipes and in certain microbial parasites . The chlorine present in water provides protection to the pathogen. The pathogens occupy the lungs followed by further growth in macrophages and monocytes. The symptoms comprise of fever, mild headache, and sore throat.

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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 31, Problem 4RQ

Summary Introduction

Legionellosis is caused by Legionella pneumophila, a waterborne pathogen present in the interior of water distribution pipes and in certain microbial parasites. The chlorine present in water provides protection to the pathogen. The pathogens occupy the lungs followed by further growth in macrophages and monocytes. The symptoms comprise of fever, mild headache, and sore throat.

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You aim to test the hypothesis that the Tbx4 and Tbx5 genes inhibit each other's expression during limb development. With access to chicken embryos and viruses capable of overexpressing Tbx4 and Tbx5, describe an experiment to investigate whether these genes suppress each other's expression in the limb buds. What results would you expect if they do repress each other? What results would you expect if they do not repress each other?

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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 31, Problem 4RQ

Summary Introduction

Legionellosis is caused by Legionella pneumophila, a waterborne pathogen present in the interior of water distribution pipes and in certain microbial parasites. The chlorine present in water provides protection to the pathogen. The pathogens occupy the lungs followed by further growth in macrophages and monocytes. The symptoms comprise of fever, mild headache, and sore throat.

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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 31, Problem 4RQ

Summary Introduction

Legionellosis is caused by Legionella pneumophila, a waterborne pathogen present in the interior of water distribution pipes and in certain microbial parasites. The chlorine present in water provides protection to the pathogen. The pathogens occupy the lungs followed by further growth in macrophages and monocytes. The symptoms comprise of fever, mild headache, and sore throat.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

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 31, Problem 4RQ

Summary Introduction