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2nd yr > gen zoo lab (unicellular eukaryotes)) > Flashcards

gen zoo lab (unicellular eukaryotes)) Flashcards

1
Q

Phylum Amoebozoa

A

Amoeba
Entamoeba

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2
Q

Phylum Euglenozoa

A

Euglena
Trypanosoma

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3
Q

Viridiplantae Group

A

Volvox

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4
Q

Phylum Apicomplexa

A

Plasmodium

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5
Q

Phylum Ciliophora

A

Paramecium
Vorticella

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6
Q

Protozoans, Protists
Have nucleus
Single-celled, microscopic (10-100 um)
Ecologically widespread
Complete organism

A

unicellular eukaryotes

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7
Q

locomotion of amoeba

“False-feet”
Extensions of the cell body

A

pseudopodia

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8
Q

advancing end of the pseudopodium where the endoplasm flows into

A

hyaline cap

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9
Q

2 proteins of amoeba for locomotion

A

actin and myosin

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10
Q

form broad, blunt pseudopodium called a lobopodium

A

Actin meshwork

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11
Q

form narrow pointed pseudopodium called a filopodium

A

Actin fibers

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12
Q

reproduction of amoeba

Asexual reproduction by a type of mitotic cell division

A

binary fission

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13
Q

feeding of amoeba

A

food vacuoles

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14
Q

type of ingestion that involves encircling the prey by the pseudopodia

A

phagocytosis

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15
Q

take in fluid droplets and minute food particles by a process of channel formation

A

pinocytosis

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16
Q

respiration of amoeba

A

diffusion

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17
Q

osmoregulation of amoeba

Clear bubble containing no particles
Increases in size by accumulation of fluid and then ruptures and disappears
Rids the amoeba of excess water that has been taken in by osmosis

A

contractile vacuole

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18
Q

Causative agent of Amebiasis

A

entamoeba

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19
Q

active feeding phase, gumagalaw sa loob

A

Trophozoite

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20
Q

Spindle-shaped and greenish due to chloroplasts which contains chlorophyll
Common in stagnant freshwater

A

euglena

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20
Q

nonmobile stage sa loob, mature cyst contains 4 nuclei that can emerge from the cyst resulting in daughter amoebas

A

cyst

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21
Q

locomotion of euglena

A

one or more flagella

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22
Q

clear flask-space in the anterior end where the flagellum emerges

23
Q

wormlike contractions made possible by microtubules

A

euglenoid movement

24
Q

body covering of euglena

25
Q

Euglena means “true eyeball”

26
Q

eye-spot for photoreception

27
Q

osmoregulation of euglena

A

contractile vacuole

28
Q

feeding of euglena

A

holophytic (uses photosynthesis)
- Carbohydrates are stored as starch granules & paramylon

29
Q

reproduction of euglena

A

longitudinal fission

30
Q

Osmotrophic haemoparasitic flagellates
Vertebrate parasites
Undulating membrane and the coiled or screw-like appearance of the thallus

A

Trypanosoma

31
Q

disease caused by trypanosoma

A

Human African Trypanosomiasis or African Sleeping Sickness

32
Q

Colonial organisms

33
Q

one/single-celled individuals
Handle nutrition, locomotion, and response to stimuli
Each contains chloroplasts, a stigma, and a pair of flagella

A

Somatic cells (zooid)

34
Q

Produce microgametes (sperm) and Macrogametes (egg)

A

Reproductive cells (gonidium)

35
Q

connects one zooid to another

A

Protoplasmic strands

36
Q

reproduction of volvox

A

spring summer - asexually – repeated cell division
fall winter - sexually – sex cells

37
Q

Obligate endoparasites → di kaya mabuhay sa labas
Causes malaria
Osmotrophic
Sporozoites, Trophozoites, Schizont

A

plasmodium

38
Q

Slipper-shaped

A

paramecium

39
Q

mouth of paramecium

40
Q

Oral groove

A

vestibulum

41
Q

gullet of paramecium

A

cytopharynx

41
Q

osmoregulation of parameium

A

contractile vacuole

42
Q

body covering of paramecium

43
Q

locomotion of parameicum

43
Q

nucleus that regulated metabolism

44
Q

feeding of paramecium

A

holozoic - ingestion of organic food particles such as bacteria

44
Q

nucleus for complex sexual reproduction

45
Q

temporary opening where undigested food is discharged

46
Q

Free-living, solitary sessile ciliate
Bell-shaped primary thallus

A

Vorticella

47
Q

contractile slender, can contract into a spiral spring shape when disturbed

48
Q

distal end of the body

A

peristome lined with cilia

49
Q

within the peristome

A

oral disc
cytostome - between peristome and orals disc

50
Q

body covering of vorticella

51
Q

reproduction of vorticella

A

longitudinal binary fission and budding

2nd yr (3 decks)

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