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Intro Microbio > Taxonomy Eukaryotes- part 2 > Flashcards

Taxonomy Eukaryotes- part 2 Flashcards

1
Q

Alveolates

A

presence of alveoli ( sacs of air underneath)

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2
Q

3 types of Alveolates

A

ciliates, dinoflagellates and apicomplexans

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3
Q

ciliates

A

process cilia at some stage in life

ex genera: paramecium

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4
Q

how many nuclei do ciliates have

A

2- macro and micro

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5
Q

how do paramecia mate

A

exchange micronucleus

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6
Q

dinoflagellates are _____ organisms

A

freshwater phototrophic (symbiotic relationship with coral)

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7
Q

how may flagella do dinoflagellates have?

A

2 - transverse and longitudinal

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8
Q

in warm and polluted waters dinoflaggelates secrete??

A

neurotoxins

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9
Q

dense populations of dinoflagellates lead to

A

red tides

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10
Q

apicomplexans are _______

A

obligate parasites of animals can cause malaria

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11
Q

what are apicoplasts

A

degenerated chloroplasts that lack pigments and phototrophic capacity but still carry anabolic pathways

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12
Q

Stramenopiles have flagella with _______.

A

may short hairlike extensions

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13
Q

stramenopiles are _____ and _____ members

A

chemoheterotrophic and phototrophic

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14
Q

examples of stramenopiles

A

oomycetes, diatoms, golden algae and brown algae

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15
Q

Oomycetes are ______/

A

chemoheterotrophs ( chemical energy from organic sources)

also called water molds, cell walls are made of cellulose

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16
Q

Golden algae are_____

A

phototrophs , unicellular

chloroplast pigment is dominated by the carotenoid fucoxanthin

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17
Q

Oomycetes have what kind of hyphae?

A

coenocytic ( which means cytoplasm and nuclei are not subdivided into cells)

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18
Q

what is coenocytic

A

not seperated

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19
Q

what is septate

A

nuclei are separated by cross wall

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20
Q

are diatoms unicellular or multi?

A

unicellular

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21
Q

diatoms are _____.

A

phototrophic

22
Q

diatoms live in _____

A

freshwater and marine habitats

23
Q

what are frustules

A

cell walls made of silica with proteins and polysaccharide attached

24
Q

how are cercozoans and Radiolarians distinguished from other protists?

A

threadlike pseudopodia ( flash feet)

25
Q

Cercozoan: Foraminifera

A

marine org, form structures called tests (made from organic material and Calcium carbonate )

26
Q

tests are made from

A

ORGGANIX MATERICAL AND CALCIUM CARBONATE

27
Q

Radiolarians tests made from

A

silica

28
Q

Amoebozoa (A-meb-a-zoa)

A

protists that use pseudopodia for movement and feeding ( phagocytosis)

29
Q

major groups of amoebozoa

A

entamoeba, slime molds and gymnamoebas

30
Q

Entamoeba

A

parasites of vertebrates

31
Q

Gymnamoebas

A

free living in soil and aquatic enviromonets

32
Q

protoplasm

A

same as cytoplasm

33
Q

plasmodium

A

part of life cycle in slime molds when mass of protoplasm of indefinite shape and size with many nuclei that aren’t divided into separate cells

34
Q

for the plasmodium a _______ can form

A

sporangium ( containing multiple haploid spores

35
Q

the spores germinate yeilding _______.

A

swarmer cells ( flagellated or amoeboid)

36
Q

fusion of 2 swarmer cells regenerates_____

A

diploid plasmodium

37
Q

describe the plasmodial slime mold life cycle

A

start off as amoeboid cells which are haploid. find another haploid to mate with to form 2n zygote which grows into plasmodium. this is what feeds and can move. mature plasmodium fruits into sporangium and then releases haploid spores

38
Q

cellular slime molds contain

A

haploid amoebae

39
Q

aggregation of sepereate amoeboid forms a __________ in cellular slime mold

A

pseudiplasmodium

40
Q

under some conditions cellular slime molds can form diploid macro cysts which undergo meiosis and form new amoebae - example of _____

A

sexual reproduction

41
Q

fungi falls under ?

A

Opisthokonta

42
Q

slime molds, cellular slime molds fall under

A

Amoebozoa

43
Q

stramenopiles and alveolar fall under

A

Chromalveolata

44
Q

fungi is

A

mutilcelluar

45
Q

Ectomycorrhizae

A

fungi form a sheath around plant root but do not penetrate it

46
Q

Endomycorrhizae

A

the fungi hyphae is embedded in the root (endo=in)

47
Q

Mycoses

A

funga disease

48
Q

how do fungi reproduce?

A

asexually

49
Q

three ways fungi reproduce asexually

A

1) growth and spread of hyphen filaments
2) asexual spores
3) budding yeast

50
Q

fungi can also reproduce sexual spore? T/F?

A

true

51
Q

is yeast an example of fungi?

A

true- it is unicellular fungi

Intro Microbio (18 decks)

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