Microbiology Demystified

CHAPTER 11 The Eukar yotes^177 BLOOD AND TISSUE PROTOZOA Hemoflagellates are protozoa that are carried by blood-feeding insects ...

APICOMPLEXANS Apicomplexansare protozoa that live and grow inside another living organism (obligate intracellular parasites) and ...

from one host to another. Parasitic helminths have a very complex reproductive system that produces fertilized eggs (zygotes) th ...

body units called proglottids(compartments that contain reproductive organs). Proglottids eventually break away from the tapewor ...

CHAPTER 11 The Eukar yotes^181 Common roundworms are: Ascaris lumbrieoides: A. lumbrieoidesis a roundworm that is transmitted b ...

(^182) CHAPTER 11 The Eukar yotes Ancylostoma duodenale: A. duodenale, also known as the Old World hookworm, is similar to N. a ...

CHAPTER 11 The Eukar yotes^183 Fungi are different from plants because (a) fungi have chlorophyll (b) plants have chlorophyll ( ...

(c) Flatworms (d) Hookworms An example of a fluke would be (a) H. ana (b) D. latum (c) C. sinensis (d) E. vermicularis Some pro ...

12 CHAPTER 185 Viruses, Viroids, and Prions In this chapter, you will learn about viruses, how they work, and the diseases they ...

Avirus(Latin for “poison”) is an obligate intracellular parasite that can only replicate inside a living host cell. Once inside ...

SHAPES OF VIRUSES A virus can have one of two structures. These are: Helical virus. Ahelical virusis rod- or thread-shaped. The ...

The last stage is the releaseof virions from the host bacterium cell. The bac- teriophage enzyme lysozyme breaks apart the bacte ...

RNA Viruses Attachment to host cell receptor. Fusion with membrane of host. Nucleocapsid enters the cytoplasm. Transcription in ...

such as in the bodies of AIDS patients or in infants whose immune sys- tems are not fully developed. This virus can be fatal to ...

syndrome (AIDS) This virus kills T-cells. A T-cell is a white blood cell that fights infection and kills spontaneously arising t ...

Filoviridae. Filovirus,an example would be the ebola viruswhich causes African hemorrhagic fever. Oncogenic viruses Oncogenic ...

infect potatoes, causing potato, spindle tuber disease. They infect chrysanthe- mums, stunting their growth. Viroids cause cucum ...

A naked virus is (a) a virus without an envelope (b) a virus without a capsid (c) a virus without RNA (d) a virus without DNA A ...

What is a small infectious particle that contains a protein? (a) Viroid (b) Capsid (c) Virion (d) Prion Genetic information of ...

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