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VZOO LEC EXAM > Lesson 5a. Protozoan Group > Flashcards

Lesson 5a. Protozoan Group Flashcards

1
Q

Diverse assemblage with mixed affinities

A

Protozoa

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2
Q

3 characteristics of protozoa

A

They lack a cell wall
They have at least one motile stage
Most ingest their food

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3
Q

One criteria for metazoa

A

Embryonic development

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4
Q

Members of __________ have a stiffening rod composed of microtobules, the ___________

A

Axostylata, axostyle

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5
Q

Members of the class ___________ have a __________, which is a golgi apparatus connected by a fiber to one of the kinetosomes

A

Parabasalea, parabasal body

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6
Q

Trichomonadida posses ________

A

Hydrogeneosomes

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7
Q

Organelles analogous to mitochondria but which produce molecular hydrogen when oxygen is absent

A

Hydrogeneosomes

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8
Q

It infects the urogenital tract of humans and is sexually transmitted

A

Trichomonas vaginalis (italicized)

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9
Q

Lack both mitochondria and golgi bodies

A

Retortamonds

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10
Q

Includes two subgroups of a protozoa that move by either pseudopodia or flagella

A

Phylum sarcomastigophora

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11
Q

The flagellated protozoa

A

Subphylum mastigophora

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12
Q

Divided into class phytomastiophorea with chlorophyll and animal like zoomastigophorea without chlorophyll

A

Subphylum mastigophora

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13
Q

The amoeba and relatives

A

Phylum sarcodina

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14
Q

The other 3 parts of subphylum mastigophora

A

Some are naked and some have shells
Radiolaria
Foraminifera
Subphylum actinopoda
Rhizopoda

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15
Q

Third representative type

A

Subphylum kinetoplasta

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16
Q

Lack chromoplasts and have holozoic or saprozoic nutrition

A

Zooflagellates

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17
Q

Important genus of protozoan parasites; some are not pathogenic

A

Trypanosoma

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18
Q

Cause african sleeping sickness in humans

A

Trypanosoma brucei gambiense and trypanosoma brucei rhodesiense

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19
Q

Causes a related disease in domestic animal

A

Trypanosoma brucei brucei

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20
Q

Trypanosoma are transmitted by

A

Tsetse flies

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21
Q

Causes chagas disease in central and south America

A

Trypanosoma cruzi (italicized)

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22
Q

Carried by a bug and causes nervous system problem

A

Trypanosoma cruzi

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23
Q

Cause visceral disease in humans; transmitted by sand flies

A

Leishmania (italicized) species

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24
Q

Live in the cecum, colon, mouth and urogenital tracts of human

A

Trichomonas (italicized)

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25
4th representative type
Subphylum sarcodina
26
In the superclass rhizopoda, most commonly studied
Amoeba proteus (italicized)
27
Freshwater but require a substratum on which to crawl
Subphylum sarcodina
28
Encloses the ectoplasm and endoplasm
Cell membrane
29
This can be seen by microscope in subphylum sarcodina
Nucleus, contractile vacuole, and vesicles
30
Feeds on algae, protozoa, rotifers by phagocytosis; food vacoules exist 15-30 hours
Ameba
31
Reproduction of subphylum sarcodina
Binary fission using mitosis
32
Lives in the human large intestine and attack the intestinal wall with enzymes= diarrhea
Entamoeba histolytica (italicized)
33
_______________ in the intestine and _____________ in the mouth are not disease agents
Entamoeba coli, E. Gingivalis (italicized)
34
Shelled rhizopods found mainly in oceans; have complex haploid and diploid
Foraminiferans
35
Live on forest detritus; form a ____________
Slime molds in class eumycetozoa, pseudoplasmodium
36
Reproduce by binary fission, budding and sporulation
Radiolarians
37
Large blunt extensions of the cell body containing both endoplasm and ectoplasm
Lobopodia
38
Thin extensions containing only ectoplasm;these are seen in class filosea
Filopodia
39
Repeatedly rejoin to form a netlike mesh
Reticulopodia
40
Microtubules that support these long thin pseudopodia
Axial rods of microtubules
41
Flows away from the body on one side and toward the body on the other
Cytoplasm
42
Consists of the freshwater class heliozea and three marine classes of radiolarians
Actinopoda
43
Oldest known protozoa; they are pelagic and live in shallow water
Radiolarians
44
All phylum apicomplexa are_________
Endoparasites
45
Occur in some stages; gametes may be flagellated and contractile fibrils may form waves to propel it through liquid
Pseudopodia
46
Most important class; it contains three subclasses
Sporozoea
47
Subclass of sporozoea: common parasites of invertebrates but are of little economic port
Gregarinia/Gregarines
48
Subclass of sporozoea: includes some veterinary parasites
Piroplasmia
49
It causes Texas red-water fever in cattle
Babesia bigemina
50
Subclass of sporozoea: important intracellular parasites in both invertebrate and vertebrates
Coccidia
51
A genus that causes coccidiosis
Eimeria
52
Infection that is mild unless the immune system is weak, as in AIDS patients
Isospora
53
Often fatal to young owl
Eimeria tenela (italicized)
54
A parasite of cats
Toxoplasma gondii
55
The zoites enclose in tough tissue cysts called
Bradyzoites
56
Serious threat during pregnancy
Toxoplasmosis
57
Most important infectious disease of humans
Malaria
58
_____________ carry all forms; the female injects the ___________ in her saliva
Anopheles mosquito, plasmodium
59
Penetrate liver cells and initiate schizogony
Sporozoites
60
More conventional classification presentation:
Phylum Apicomplexa (Sporozoa) -Class Gregarinea -Class Coccidea Phylum Mastigophora (Flagellata) *Dinoflagellata
61
______________ it includes with the algal forms aften called ___________ and animal form called _____________ (trypanosoma and giardia)
Dinoflagellata Phytomastigophora Zoomastigophora
62
Major departure from the Eleventh Edition (Hausmann and Hulsmann, 1996)
Phylum Chlorophyta Phylum Retortamonada -Class Doplomonadea -Order Diplomonadida Phylum Axostylata -Class Parabasalea -Order Trichomonadida Phylum Euglenozoa Subphylum Euglenida -Class Euglenoidea Subphylum Kinetoplasta -Class Trypanosomatidea
63
Process of their eating, food vacuoles exist 15-30 hrs
Phagocytosis
64
Hard shells of foraminiferans and radiolarians have been preserved since
Precambrian times
65
1/3 of the sea bottom ooze in the Atlantic consists of
Globigerina shells
66
This is found in England, segmentary sarcodina deposits that were uplifted
White cliffs of dover
67
A feature of phylum apicomplexa
Apical complex
68
Under ______ in intestinal cells; the zygote forms an ________ that passes in the feces and releases _____________ when ingested by next host
Schizogony Oocyst 8 sporozoites
69
Mosquito that carries dengue
Female aedes aegypti mosquito

VZOO LEC EXAM (5 decks)

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