Flashcards
Protozoa
Flashcards do conjunto (83)
- 1protozoa are ___cellularunicellular
- 2do protozoa have cell wall?no cell wall
pellicle, instead - 3are most hetero or photosynthetic?heterotrophic
- 4what is protozoa primary means of reproduction?asexual
sexual does occur, some - 5Phlyums I. Rhizopoda II. Tubulinea III. Euglenozoa IV. Metamonada V. Ciliophora VI. Apicomplexa VII. Heterokontophytos VIII. Dinoflagellataphylums
- 6whats in phylum rhizopoda or amoebozoa?Class: Amoebae
- 7Talk about Amoebae (phylum Rhizopoda)unicellular
no truly defined shape
pseudopodia
cyst (remains in ball until favorable conditions)
while in cyst, cannot replicate - 8where are amoebae found?freshwater, seawater, and moist soil
- 9what is an example of a free-living amoebae?Amoeba proteus
- 10what is an example of an important amoebae pathogen?Entamoeba histolytica
- 11where does the Entamoeba histolytica live?trophozoite lives in lower small intestine/colon
- 12how does Entamoeba histolytica replicate?binary fission
- 13how many nucleated cysts does the Entamoeba histolytica have?4 nucleated cysts
- 14where does the cyst pass out in?feces
- 15how is Entamoeba histolytica contracted?contaminated food and water
- 16most people infected with Entamoeba are ______asymptomatic
- 17what is the most famous amoeba?amoeba proteus
free-living - 18amoeba proteus (Tubulinea)
- 19what is interesting about the Euglenozoa phylum?Trypanosoma
- 20what is trypanosomaextracellular blood-borne flagellates
- 21how is trypanosoma transmitted?bite of a blood-sucking insect
- 22what are the two divisions of trypanosoma?1. stercorarian
2. salivarian - 23what is stercorarian trypanosome?contamination through feces on skin of face
- 24what spread stercorarian trypanosome?triatomid bugs
- 25what is the most important stercorarian trypanosome?Trypanosoma cruzi
- 26what kind of parasite s the Trypanosoma cruzi?tissue parasite
time spent in blood is short
spends most times in muscle and nerve cellls
heart - 27what is the nick for the disease T. cruzi gives?Chaga's disease
Charles Darwin had it - 28when do the triatomid bugs bite?bite at night, on face
- 29what is the nick for triatomid bugs?kissing bugs
hide in plaster in walls of houses - 30what is the other trypanosome?salivarian trypanosome
- 31how is salivarian trypanosome injected?through the salivary glands
- 32flagellate protozoan that causes sleeping sickness in humanstrypanosoma brucei
- 33trypanosome brucei that causes acute sleeping sicknessrhodesiense
- 34trypanosoma brucei that causes chronic sleeping sicknessgambiense
- 35what spreads trypanosoma brucei?tsetse flise
- 36what causes the symptoms of sleeping sickness?invading the nervous system
- 37who is the relative of trypanosome?kinetoplastida
- 38where do kinetoplastida live?blood or tissues
spread by vectors - 39what does the phylum metamonada mean?change (meta) and unit (monus)
variation in form that some cells can exhibit - 40giardia (metamonada)
- 41where does giardia live?intestine
- 42how is giardia spread?drinking contaminated water
resistant cysts - 43causes diarrhea, highly contagious, vomiting, and loss of weightGiardia, part of phylum Metamonada
- 44doesn'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 diseaseGiardia
- 45beavers are particular carrierGiardia
- 46venereal diseaseTrichomona vaginalis
- 47phylum characterized by cilitatesCiliophora
- 48ciliatesmove by short, hair-like processes or cilia
- 49what is cilia latin for?eyelash
- 50example of CiliophoraB. coli
- 51where does balantidium coli live?intestine
- 52do animals in the phylum apicmoplexa move?non-motile parasites
- 53how do apicomplexa move?body flexion
use apical complex to invade host cells - 54linked with malariaPlasmodium
- 55aguesweating sickness or the shakes
- 56bad airmal'aria
- 57characterized by fevers occurnige very ___ or ___ hours48 or 72 hours
- 58famous histories that had malariaAlexander the Great
silicy
French troops on Haiti - 59who is the most frequent victim of Plasmodium aka malaria?5 years or younger
- 60term for mosquito that carries the diseaseanophele
- 61what kind of parasite is plasmodium?intracellular
- 62where does plasmodium reproduce?inside red blood cells
- 63two plasmodium types that are hypnozoitesP. vivax and P. ovale
- 64most common malaria type and also the MOST DANGEROUSP. FALCIPARUM
endothelial - 65Phlum Heterokontophytos has one typeDiatoms
- 66what makes up cell wall of diatom?silicia and cellulose
- 67what are Diatoms composed of?two halves called frustules
fits together like a Petri dish - 68major component of marina phyoplanktinDiatoms
- 69major source of world's oxygendiatom
- 70used in polishing compounds, detergents, paint removers, component of firebrick, soundproofing products, and reflective paintsdiatoms
- 71what are diatoms?plankton
- 72what is a dinoflagellate?plankton
- 73dinoflagellate are ___photosynthetic
cellulose - 74dinoflagellates are more closely related to ___ and ____ than they are to plants or algaeciliates and apicomplexan
- 75make up a large proportion of freshwater and marine planktondinoflagellate
- 76two flagella of unequal lengthmotile dinoflagellates
- 77dinoflagellates flagellatwo flagella
unequal length - 78abundance in marine waterred tide
- 79produce neurotoxins and can poison humans who eat shellfish that have ingested planktonic dinoflagellatesdinoflagellates
- 80neurotoxin of particular dinoflagellate may be more potentPfisteria
- 81name for symptoms of memory loss, confusion, headache, respiratory difficulties, skink rashPEAS
- 82PEASpossible estuary-associated syndrome
- 83do protozoa have to be cultured?no
morphology helps
Informações
- Descrição
- FlashCards sobre Protozoa , criado por newsha em 03-09-2014.
- Criado por
- newsha
- Visualizações
- 85
- Avaliação