Protists Flashcards

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1
Q

Types

A

Excavata
Rhizaria
Alveolata
Amoebozoa

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2
Q

Excavata

A

Both chemoorganotrophs-mitochondria +phototrophs-Chlorplasts
both symbiotes+parasites

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3
Q

Kinetoplastids-Kill

A

contain a kinetoplast-mass of DNA in their mitochondria-no undulating membrane
aquatic habitat-feed on bacteria-free-living
single flagellum
Ex: Trypanosoma brucei-African sleeping sickness-lives and grows in blood stream,digest blood cells,neurological symptoms

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3
Q

Diplomonads-dumb

A

2 nuclei of equal size
Multiple flagella (2 or 4)
small genomes +parasites
Ex:Giardia lambila-found in feces contaminated water,giardiasis,waterborne diarrheal diseases

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4
Q

Parabasalids-protists

A

contain a parabasal body-swim/steer
moves with undulating membrane +flagella
live in intestinal and urinary tract-parasites+commensal symbiote-digest food+break down.
Ex: Trichomonas vaginalis-STD-males and females,motile via flagella

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5
Q

Euglenids-Ella

A

Chemotrophic +phototrophic
Two flagella-one steers,propeller
feed on bacteria in water
Ex: Euglena gracilis-freshwater,no harm to us, produces protein-rich flour, feeds on bacteria

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6
Q

Alveolata

A

Alveoli
cytoplasmic sacs located under the cytoplasmic membrane
Osmotic balance
Armor

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7
Q

Ciliates-Cal

A

possesses cilia-motility-swim like inchworms
two kinds of nuclei-micronuclei+marconuclei
help +harm
Ex: Paramecium-Cilia to obtain food+mobility,Oral groove-move material down to gullet
anal pore-poop
Phagotysis

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8
Q

Dinoflagellates-dyed

A

Marine +freshwater
Phototrophic
two flagella of different length-one wrap around,one bottom
free-living +symbiotic
Ex: Gonyaulax-toxic and “red tides”,fish-killing,paralytic shellfish poisoning
Bioluminescent-feel vibrations,light up to attract second predator

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9
Q

Apicomplexans-arota

A

Parasites
non-motile
Ex:Malaria-plasmodium,toxoplasmosis-toxoplasma,cocidiosis-eimeria

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10
Q

Rhizaria

A

Threadlike cytoplasmic extrusions
Psudopodia
move+feed

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11
Q

Chlorarachniophyta-cal

A

freshwater+marine
Flagellum
Cyanobacteria-chloroplasts with 2 membranes
Chlorarachniphytes-chloroplasts with 4 membranes

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12
Q

Foraminifera-Fucked

A

Only ocean
shell-like structures called tests-solid,many shapes,live on bottom
tests=sink,not firmly attached,holes extend to eat
can’t swim
made of calcium carbonate

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13
Q

Radiolaria-Riley

A

Planktonic eukaryotes
cosume bacteria+organic matter
Tests=more holes
mineral skeletons made of silica
needle-like pseudopodia keeps from sinking
swim araound

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14
Q

Amoeboza

A

moist areas+aquatic
lobe-shaped pseudopodia for feeding movement

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15
Q

Gymnamoebas-Gym

A

free-living
aquatic+soil
pseudopodia=move=amoeboid movement
phagocytosis-feed on bacteria,protists,organic matter

16
Q

Entameoebas-enter

A

Parasites
live in oral or intestinal tract
Ex: Entamoeba histolytica-amebic dysentery,bloody diarrhea

17
Q

Slime molds-Sam

A

grouped with fungi before-fruiting bodies, spores for dispersal
motile
live on decaying leaf litter, logs,soil
consume other microorganisms
vegetative-amoeboid
spore structures

18
Q

Plasmodial slime molds

A

vegative phase-single mass of protoplasm
diploid nuclei
amoeboid movement
spores are mobile
multicellular

19
Q

Cellular slime molds

A

individual haploid cells-no flagella
Aggregulation-straved condtions,no nutrients,lose individuality,don’t fuse
Asexual-spores are new amoeba