Protozoa

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Flashcards on Protozoa , created by newsha on 03/09/2014.
newsha
Flashcards by newsha, updated more than 1 year ago
newsha
Created by newsha about 10 years ago
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Question Answer
protozoa are ___cellular unicellular
do protozoa have cell wall? no cell wall pellicle, instead
are most hetero or photosynthetic? heterotrophic
what is protozoa primary means of reproduction? asexual sexual does occur, some
Phlyums I. Rhizopoda II. Tubulinea III. Euglenozoa IV. Metamonada V. Ciliophora VI. Apicomplexa VII. Heterokontophytos VIII. Dinoflagellata phylums
whats in phylum rhizopoda or amoebozoa? Class: Amoebae
Talk about Amoebae (phylum Rhizopoda) unicellular no truly defined shape pseudopodia cyst (remains in ball until favorable conditions) while in cyst, cannot replicate
where are amoebae found? freshwater, seawater, and moist soil
what is an example of a free-living amoebae? Amoeba proteus
what is an example of an important amoebae pathogen? Entamoeba histolytica
where does the Entamoeba histolytica live? trophozoite lives in lower small intestine/colon
how does Entamoeba histolytica replicate? binary fission
how many nucleated cysts does the Entamoeba histolytica have? 4 nucleated cysts
where does the cyst pass out in? feces
how is Entamoeba histolytica contracted? contaminated food and water
most people infected with Entamoeba are ______ asymptomatic
what is the most famous amoeba? amoeba proteus free-living
amoeba proteus (Tubulinea)
what is interesting about the Euglenozoa phylum? Trypanosoma
what is trypanosoma extracellular blood-borne flagellates
how is trypanosoma transmitted? bite of a blood-sucking insect
what are the two divisions of trypanosoma? 1. stercorarian 2. salivarian
what is stercorarian trypanosome? contamination through feces on skin of face
what spread stercorarian trypanosome? triatomid bugs
what is the most important stercorarian trypanosome? Trypanosoma cruzi
what kind of parasite s the Trypanosoma cruzi? tissue parasite time spent in blood is short spends most times in muscle and nerve cellls heart
what is the nick for the disease T. cruzi gives? Chaga's disease Charles Darwin had it
when do the triatomid bugs bite? bite at night, on face
what is the nick for triatomid bugs? kissing bugs hide in plaster in walls of houses
what is the other trypanosome? salivarian trypanosome
how is salivarian trypanosome injected? through the salivary glands
flagellate protozoan that causes sleeping sickness in humans trypanosoma brucei
trypanosome brucei that causes acute sleeping sickness rhodesiense
trypanosoma brucei that causes chronic sleeping sickness gambiense
what spreads trypanosoma brucei? tsetse flise
what causes the symptoms of sleeping sickness? invading the nervous system
who is the relative of trypanosome? kinetoplastida
where do kinetoplastida live? blood or tissues spread by vectors
what does the phylum metamonada mean? change (meta) and unit (monus) variation in form that some cells can exhibit
giardia (metamonada)
where does giardia live? intestine
how is giardia spread? drinking contaminated water resistant cysts
causes diarrhea, highly contagious, vomiting, and loss of weight Giardia, part of phylum Metamonada
doesn't break down host cells, but instead the dense layer of parasites over the surface of the intestine interfere with absorption and trigger onset of disease Giardia
beavers are particular carrier Giardia
venereal disease Trichomona vaginalis
phylum characterized by cilitates Ciliophora
ciliates move by short, hair-like processes or cilia
what is cilia latin for? eyelash
example of Ciliophora B. coli
where does balantidium coli live? intestine
do animals in the phylum apicmoplexa move? non-motile parasites
how do apicomplexa move? body flexion use apical complex to invade host cells
linked with malaria Plasmodium
ague sweating sickness or the shakes
bad air mal'aria
characterized by fevers occurnige very ___ or ___ hours 48 or 72 hours
famous histories that had malaria Alexander the Great silicy French troops on Haiti
who is the most frequent victim of Plasmodium aka malaria? 5 years or younger
term for mosquito that carries the disease anophele
what kind of parasite is plasmodium? intracellular
where does plasmodium reproduce? inside red blood cells
two plasmodium types that are hypnozoites P. vivax and P. ovale
most common malaria type and also the MOST DANGEROUS P. FALCIPARUM endothelial
Phlum Heterokontophytos has one type Diatoms
what makes up cell wall of diatom? silicia and cellulose
what are Diatoms composed of? two halves called frustules fits together like a Petri dish
major component of marina phyoplanktin Diatoms
major source of world's oxygen diatom
used in polishing compounds, detergents, paint removers, component of firebrick, soundproofing products, and reflective paints diatoms
what are diatoms? plankton
what is a dinoflagellate? plankton
dinoflagellate are ___ photosynthetic cellulose
dinoflagellates are more closely related to ___ and ____ than they are to plants or algae ciliates and apicomplexan
make up a large proportion of freshwater and marine plankton dinoflagellate
two flagella of unequal length motile dinoflagellates
dinoflagellates flagella two flagella unequal length
abundance in marine water red tide
produce neurotoxins and can poison humans who eat shellfish that have ingested planktonic dinoflagellates dinoflagellates
neurotoxin of particular dinoflagellate may be more potent Pfisteria
name for symptoms of memory loss, confusion, headache, respiratory difficulties, skink rash PEAS
PEAS possible estuary-associated syndrome
do protozoa have to be cultured? no morphology helps
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