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PARASITOLOGY > [LEC] General Characteristics of Protozoans > Flashcards

[LEC] General Characteristics of Protozoans Flashcards

1
Q

COMMON HABITATS OF PROTOZOANS

A

MOIST HABITATS

SEA
SOIL
FRESH WATER

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2
Q

[MORPHOLOGY]
THIN OUTER LAYER

A

ECTOPLASM

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3
Q

[MORPHOLOGY]
VOLUMINOUS LAYER

A

ENDOPLASM

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4
Q

[FUNCTIONS]
ECTOPLASM

A

MOVEMENT
RESPIRATION
PROCUREMENT OF FOOD
DISCHARGE METABOLIC WASTE
PROTECTION

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5
Q

[FUNCTIONS]
PSEUDOPODIA

A

TEMPORARY EXTENSIONS
LOCOMOTION

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6
Q

[FUNCTIONS]
FLAGELLA

A

TEMPORARY EXTENSIONS
LOCOMOTION

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7
Q

[FUNCTIONS]
CILIA

A

TEMPORARY EXTENSIONS
LOCOMOTION

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8
Q

[FUNCTIONS]
UNDULATING MEMBRANE

A

LATERAL EXPANSION WITH FLAGELLAR RIM
LOCOMOTION

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9
Q

[FUNCTIONS]
PSEUDOPODIA

A

FEEDING VIA PHAGOCYTOSIS

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10
Q

[FUNCTIONS]
CYTOSOME

A

CELL MOUTH
TAKES IN FOOD

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11
Q

[FUNCTIONS]
CYTOPYGE

A

CELL ANUS
EXCRETES UNDIGESTED PARTICLES

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12
Q

[FUNCTIONS]
CYST WALL

A

PROTECTION
SURVIVAL

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13
Q

[FUNCTIONS]
ENDOPLASM

A

METABOLISM
NUTRITION
STORAGE OF FOOD

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14
Q

[FUNCTION]
VACUOLES

A

OSMOREGULATORS

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15
Q

ARE FRESHWATER PROTOZOANS HYPER OR HYPOTONIC

A

HYPERTONIC

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16
Q

HOW DO VACUOLES TAKE IN WATER

A

IMBIBING
THROUGH OSMOSIS

CONTRACTILE VACUOLE COLLECTS EXCESS WATER IN THEIR CYTOPLASM AND PUMPS THEM OUT OF THE CELL

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17
Q

[FUNCTIONS]
GLYCOGEN VACUOLE

A

MAIN STORAGE FORM OF GLUCOSE

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18
Q

COLOR OF VACUOLES WHEN STAINED WITH IODINE

A

BROWN

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19
Q

[FUNCTIONS]
CHROMATOIDAL BODIES OR BARS

A

MAINTAIN FOOD SUPPLY

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20
Q

[MORPHOLOGY]
STAINS BROWN WITH IODINE

A

GLYCOGEN VACUOLE

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21
Q

[COMPOSITION]
CHROMATOIDAL BODIES

A

CHROMATOIDAL BODIESCRYSTALLINE RNA
RNA BINDING PROTEINS

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22
Q

INCLUSIONS FOUND IN THE ENDOPLASM

A

RBC
BACTERIA
INGESTED MATERIALS

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23
Q

[MORPHOLOGY]
CONTAINS CHROMOSOMES THAT ARE ESSENTIAL FOR LIFE

A

NUCLEUS

24
Q

[MORPHOLOGY]
TEMPORARY EXTENSIONS

A

PSEUDOPODIA

25
Q

[MORPHOLOGY]
DENSE GRANULAR PROTOPLASM

A

ENDOPLASM

26
Q

[MORPHOLOGY]
SURROUNDS THE NUCLEUS

A

ENDOPLASM

27
Q

[MORPHOLOGY]
HAS A DENSE, GRANULAR PROTOPLASM THAT SURROUNDS THE NUCLEUS

A

ENDOPLASM

28
Q

[MORPHOLOGY]
CONTAINS CHROMOSOMES

A

NUCLEUS

29
Q

[MORPHOLOGY]
BOUND EXTERNALLY BY A WELL DEFINED NUCLEAR MEMBRANE

A

NUCLEUS

30
Q

[MORPHOLOGY]
HAS AN IRREGULAR DISTRIBUTION OF CHROMATIN MATERIALS

A

VESICULAR NUCLEUS

31
Q

[MORPHOLOGY]
FIBRILS THAT RADIATE TOWARDS THAT PERIPHERY OF THE NUCLEUS

A

LININ NETWORK

32
Q

[MORPHOLOGY]
GRANULES THAT LINE THE INNER SIDE OF THE NUCLEAR MEMBRANE

A

PERIPHERAL CHROMATIN

33
Q

[MORPHOLOGY]
SINGLE MASS OR AGGREGATE OF DENSE CHROMATIN

A

KARYOSOME
ENDOSOME

34
Q

[MORPHOLOGY]
ONLY FOUND PRIMARILY IN CILIATES

A

COMPACT NUCLEUS

35
Q

[MORPHOLOGY]
NO CLEAR AREAS OF NUCLEOPLASM

A

COMPACT NUCLEUS

36
Q

[MORPHOLOGICAL STAGE]
MOTILE FORMS

A

TROPH

37
Q

[MORPHOLOGICAL STAGE]
VEGETATIVE STAGE

A

TROPH

38
Q

[MORPHOLOGICAL STAGE]
CAN REPRODUCE

A

TROPH

39
Q

[MORPHOLOGICAL STAGE]
FEEDING STAGE

A

TROPH

40
Q

[MORPHOLOGICAL STAGE]
RESPONSIBLE FOR THE PATHOGENIC EFFECTS

A

TROPH

41
Q

[MORPHOLOGICAL STAGE]
DELICATE AND DO NOT SURVIVE LONG OUTSIDE THE HOST

A

TROPH

42
Q

[MORPHOLOGICAL STAGE]
RESTING, NONMOTILE

A

CYST

43
Q

[MORPHOLOGICAL STAGE]
BOUNDED BY A TOUGH CELL WALL

A

CYST

44
Q

[MORPHOLOGICAL STAGE]
CLOSELY ASSOCIATED WITH TRANSFER FROM HOST TO HOST

A

CYST

45
Q

[MORPHOLOGICAL STAGE]
INFECTIVE STAGE

A

CYST

46
Q

[STAGE OF DEVELOPMENT]
ACTIVE TO INACTIVE STAGE

A

ENCYSTATION

47
Q

[STAGE OF DEVELOPMENT]
LOSE THE POWER OF MOTILITY, GROWTH, AND REPRODUCTION

A

ENCYSTATION

48
Q

[STAGE OF DEVELOPMENT]
ENCLOSURE IN A TOUGH WALL

A

ENCYSTATION

49
Q

ENVIRONMENTAL CONDITIONS THAT INDUCE ENCYSTATION

A

NUTRITIONAL DEFICIENCY
PH OR TEMPERATURE CHANGES
INCREASED TONICITY
DECREASED OXYGEN CONCENTRATION
OVERPOPULATION

50
Q

[STAGE OF DEVELOPMENT]
INACTIVE TO ACTIVE STAGE

A

EXCYSTATION

51
Q

[STAGE OF DEVELOPMENT]
OCCURS WHEN ENVIRONMENTAL CONDITIONS ARE FAVORABLE

A

EXCYSTATION

52
Q

[STAGE OF DEVELOPMENT]
STAGE THAT ALLOWS ORGANISMM TO CONTINUE ITS LIFE CYCLE

A

EXCYSTATION

53
Q

MECHANISMS FOR EXCYSTATION

A

ABSORPTION OF WATER —> SWELLING
SECRETION OF LYTIC ENZYMES BY THE PROTOZOAN
ACTION OF HOST DIGESTIVE ENZYMES ON THE CYST WALL

54
Q

WHERE CAN MORPHOLOGICAL CHANGES OCCUR

A

ONLY WITHIN THE HOST

55
Q

WHAT HAPPENS TO TROPHS THAT ARE PASSED IN FECES

A

DO NOT ENCYST
THEY DISINTEGRATE

PARASITOLOGY (5 decks)

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