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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
Q

4th representative type

A

Subphylum sarcodina

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26
Q

In the superclass rhizopoda, most commonly studied

A

Amoeba proteus (italicized)

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27
Q

Freshwater but require a substratum on which to crawl

A

Subphylum sarcodina

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28
Q

Encloses the ectoplasm and endoplasm

A

Cell membrane

29
Q

This can be seen by microscope in subphylum sarcodina

A

Nucleus, contractile vacuole, and vesicles

30
Q

Feeds on algae, protozoa, rotifers by phagocytosis; food vacoules exist 15-30 hours

A

Ameba

31
Q

Reproduction of subphylum sarcodina

A

Binary fission using mitosis

32
Q

Lives in the human large intestine and attack the intestinal wall with enzymes= diarrhea

A

Entamoeba histolytica (italicized)

33
Q

_______________ in the intestine and _____________ in the mouth are not disease agents

A

Entamoeba coli, E. Gingivalis (italicized)

34
Q

Shelled rhizopods found mainly in oceans; have complex haploid and diploid

A

Foraminiferans

35
Q

Live on forest detritus; form a ____________

A

Slime molds in class eumycetozoa, pseudoplasmodium

36
Q

Reproduce by binary fission, budding and sporulation

A

Radiolarians

37
Q

Large blunt extensions of the cell body containing both endoplasm and ectoplasm

A

Lobopodia

38
Q

Thin extensions containing only ectoplasm;these are seen in class filosea

A

Filopodia

39
Q

Repeatedly rejoin to form a netlike mesh

A

Reticulopodia

40
Q

Microtubules that support these long thin pseudopodia

A

Axial rods of microtubules

41
Q

Flows away from the body on one side and toward the body on the other

A

Cytoplasm

42
Q

Consists of the freshwater class heliozea and three marine classes of radiolarians

A

Actinopoda

43
Q

Oldest known protozoa; they are pelagic and live in shallow water

A

Radiolarians

44
Q

All phylum apicomplexa are_________

A

Endoparasites

45
Q

Occur in some stages; gametes may be flagellated and contractile fibrils may form waves to propel it through liquid

A

Pseudopodia

46
Q

Most important class; it contains three subclasses

A

Sporozoea

47
Q

Subclass of sporozoea: common parasites of invertebrates but are of little economic port

A

Gregarinia/Gregarines

48
Q

Subclass of sporozoea: includes some veterinary parasites

A

Piroplasmia

49
Q

It causes Texas red-water fever in cattle

A

Babesia bigemina

50
Q

Subclass of sporozoea: important intracellular parasites in both invertebrate and vertebrates

A

Coccidia

51
Q

A genus that causes coccidiosis

A

Eimeria

52
Q

Infection that is mild unless the immune system is weak, as in AIDS patients

A

Isospora

53
Q

Often fatal to young owl

A

Eimeria tenela (italicized)

54
Q

A parasite of cats

A

Toxoplasma gondii

55
Q

The zoites enclose in tough tissue cysts called

A

Bradyzoites

56
Q

Serious threat during pregnancy

A

Toxoplasmosis

57
Q

Most important infectious disease of humans

A

Malaria

58
Q

_____________ carry all forms; the female injects the ___________ in her saliva

A

Anopheles mosquito, plasmodium

59
Q

Penetrate liver cells and initiate schizogony

A

Sporozoites

60
Q

More conventional classification presentation:

A

Phylum Apicomplexa (Sporozoa)
-Class Gregarinea
-Class Coccidea

Phylum Mastigophora (Flagellata)
*Dinoflagellata

61
Q

______________ it includes with the algal forms aften called ___________ and animal form called _____________ (trypanosoma and giardia)

A

Dinoflagellata
Phytomastigophora
Zoomastigophora

62
Q

Major departure from the Eleventh Edition
(Hausmann and Hulsmann, 1996)

A

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
Q

Process of their eating, food vacuoles exist 15-30 hrs

A

Phagocytosis

64
Q

Hard shells of foraminiferans and radiolarians have been preserved since

A

Precambrian times

65
Q

1/3 of the sea bottom ooze in the Atlantic consists of

A

Globigerina shells

66
Q

This is found in England, segmentary sarcodina deposits that were uplifted

A

White cliffs of dover

67
Q

A feature of phylum apicomplexa

A

Apical complex

68
Q

Under ______ in intestinal cells; the zygote forms an ________ that passes in the feces and releases _____________ when ingested by next host

A

Schizogony
Oocyst
8 sporozoites

69
Q

Mosquito that carries dengue

A

Female aedes aegypti mosquito

VZOO LEC EXAM (5 decks)

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