Describe the classification of fungi with emphasis on the medically important species

Zygomycota—obligate parasites of insects or other fungi Ascomycota—includes Penicillium, which produces the antibiotic penicillin

Describe the classification of fungi with emphasis on the medically important species (continue)

Basidiomycota—includes mushrooms that can produce toxins, yeasts that can cause meningitis Deuteromycota—referred to as imperfect fungi Lichen—a combination of both a fungus and green algae

Describe the general characteristics of algae and their possible life cycles

Algae are photosynthetic and are widespread in fresh and marine waters where they play an essential role in the aquatic food chain; also found in soil, on rocks, and on plants. Algae are capable of both sexual and asexual reproduction.

Name and describe three protozoans that are human parasites

Giardia—infects intestine Trypanosoma—infects blood Amoeba—infects central nervous system Entamoeba—infects intestines, liver Toxoplasma—CNS

Name and describe three protozoans that are human parasites (continues)

Cyclospora—intestine Cryptosporidium—intestine Leishmania—infects skin Trichomonas—urogenital tract Plasmodium—infects blood Balantidium—infects intestines

Describe that fundamentals difference between cellular and plasmodial slime molds

Cellular slime molds are eukaryotic cells with one nucleus (resembling an amoeba). Plasmodial slime molds are masses of protoplasm containing many nuclei.

Describe the basic structure of cestodes (tapeworms) and their life cycle

Tapeworms have a scolex (head), a neck, and one or more proglottids (body segments). The worm attaches to the host intestine. The cells of the neck form new segments that elongate

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Microbiology

Chapter #6 ?

Question	Answer
The antibiotics penicillin and cephalosporin are produced by	Fungi
Fungi are free-living	Heterotrophic organisms
Algae that contain agar in their cell walls belong to be	Rhodophyta
Diatoms, major components of marine phytpplankton, belong to	Chrysophyta
The process by which the nucleus of protozoans undergoes multiple divisions before the cell divides is called	Schizogony
The eukaryotes know for the presence of a macro-nucleus and a micro-nucleus are	Protozoans
A slime mold	Plasmodium
Toxoplasma gondii belongs to which group of eukaryotic organisms	Protozoans
A scolex is a structure found in	Helminths
Commonly referred to as a pinworm	Enterobius vermicularis
The study of fungi is called	Mycology
The vegetative structure of algae	Thallus
The unique cell organelle found among the Archaezoa, which appears to be a remnant of mitochondria, is called	Mitosome
Masses of protoplasm containing thousands of nuclei are a characteristic of	Plasmodial slime molds
The common name for nematodes is	Roundworms
Describe the classification of fungi with emphasis on the medically important species	Zygomycota—obligate parasites of insects or other fungi Ascomycota—includes Penicillium, which produces the antibiotic penicillin
Describe the classification of fungi with emphasis on the medically important species (continue)	Basidiomycota—includes mushrooms that can produce toxins, yeasts that can cause meningitis Deuteromycota—referred to as imperfect fungi Lichen—a combination of both a fungus and green algae
Describe the general characteristics of algae and their possible life cycles	Algae are photosynthetic and are widespread in fresh and marine waters where they play an essential role in the aquatic food chain; also found in soil, on rocks, and on plants. Algae are capable of both sexual and asexual reproduction.
Name and describe three protozoans that are human parasites	Giardia—infects intestine Trypanosoma—infects blood Amoeba—infects central nervous system Entamoeba—infects intestines, liver Toxoplasma—CNS
Name and describe three protozoans that are human parasites (continues)	Cyclospora—intestine Cryptosporidium—intestine Leishmania—infects skin Trichomonas—urogenital tract Plasmodium—infects blood Balantidium—infects intestines
Describe that fundamentals difference between cellular and plasmodial slime molds	Cellular slime molds are eukaryotic cells with one nucleus (resembling an amoeba). Plasmodial slime molds are masses of protoplasm containing many nuclei.
Describe the basic structure of cestodes (tapeworms) and their life cycle	Tapeworms have a scolex (head), a neck, and one or more proglottids (body segments). The worm attaches to the host intestine. The cells of the neck form new segments that elongate

Created by: Alymm91

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