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BIO 442 > Characterizing and Classifying Eukaryotes > Flashcards

Characterizing and Classifying Eukaryotes Flashcards

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Biology 101 flashcards
1
Q

How are sexual and asexual spores functionally different?

A

asexual are clones of parents
sexual are fusion of + and - cells which are genetically different from parent

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2
Q

Entamoeba histolytica. Type of microbe and disease caused?

A

protozoa/amoeba
amebiasis (water/food contaminant)

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3
Q

Why do cysts form? What structure that some bacteria form does the cyst remind you of?

A

dormant protective structure
endospores

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4
Q

Taenia saginata. Type of microbe and disease caused?

A

flatworm/tapeworm
tapeworm infestation

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5
Q

Leishmania donovani. Type of microbe and disease caused? Vector?

A

Protozoa/flagellete
leishmaniasis
sandfly

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6
Q

Giardia lamblia. Type of microbe and disease caused?

A

protozoa/flagellate
giardiasis

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7
Q

Wuchereria bancrofti. Type of microbe and disease caused? Vector?

A

round worm
elephantiasis
mosquito

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8
Q

How are fungal spores different from bacterial endospores?

A

fungal spores are reproductive

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9
Q

Trichinella spiralis. Type of microbe and disease caused?

A

round worm
trichinosis
infected pork

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10
Q

Define hermaphrodite (a.k.a. monoecious).

A

contains both male and female gametes

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11
Q

Explain what is meant by microbial intoxication. Example.

A

produce toxins that can poison organisms. gonyaulax and red tide cause paralytic shell fish poisoning

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12
Q

What types of spores are present for Penicillium?

A

conidiospores

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13
Q

pH requirement for fungi

A

~ph5

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14
Q

How are parasitic helminths different from their non-parasitic counterparts?

A

depend on the host to live and reproduce

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15
Q

Balantidium coli. Type of microbe and disease caused?

A

protozoa/ciliate
balantidiasis (dysentary)

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16
Q

Describe the environment where protozoa are most likely to be found.

A

water

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17
Q

Coccidioides immitis. Type of microbe and disease caused?

A

Mold/fungi.
Coccidioidomycosis/valley fever

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18
Q

Pneumocystis jiroveci. Type of microbe and disease caused?

A

yeast/fungi pneumocystis pneumonia, common in AIDS patients

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19
Q

What types of spores are present for Coccidioides?

A

arthrospores

20
Q

moisture requirements for fungi

A

can grow with a small amount of moisture

21
Q

Plasmodium falciparum. Type of microbe and disease caused? Vector?

A

protozoa/sporozoa
malaria
mosquito

22
Q

Toxoplasma gondii. Type of microbe and disease caused? Vector?

A

protozoa/sporozoa
toxoplasmosis
cats

23
Q

Enterobius vermicularis. Type of microbe and disease caused?

A

roundworm/nematode
human pinworm, anal itching

24
Q

Saccharomyces
cerevisiae. Type of microbe and disease caused?

A

yeast/fungi
beer/wine/bread production

25
Q

Describe the three motility structures that protozoa can have.

A

cilia, flagellum, pseudopods

26
Q

Trypanosoma brucei gambiense. Type of microbe and disease caused? Vector?

A

Protozoa/flagellate
african sleeping sickness
tse tse fly

27
Q

Which worms have a scolex and proglottids? What foods are they typically found in?

A

taenia saginata/beef tapeworm
beef

28
Q

Define septum in relation to fungi

A

cross wall between nuclei

29
Q

What types of spores are present for Aspergillus?

A

conidiospores

30
Q

Schistosoma mansoni. Type of microbe and disease caused? Vector?

A

flatworm/fluke
schistosomiasis most common worm disease in world
snails

31
Q

What is another name for the vegetative stage of a protozoan? Why is it considered vegetative?

A

trophozoite
active and feeding

32
Q

describe systemic mycoses

A

body wide fungal infection

33
Q

Aspergillus fumigatus. Type of microbe and disease caused?

A

Mold/fungi. Opportunistic respiratory infections

34
Q

What types of spores are present for Rhizopus?

A

sporangiospores

35
Q

Candida albicans. Type of microbe and disease caused?

A

yeast/fungi
candidiasis/thrush/vaginitis

36
Q

describe superficial mycoses

A

caused by dermatophytes that secrete keratinases on skin, hair, and nails

37
Q

define mycelium

A

mass of hyphae that can be seen with the naked eye

38
Q

define hyphae

A

threadlike filaments of multiple cells that form the organism

39
Q

oxygen requirements for fungi

A

obligate aerobes or facultative anaerobes

40
Q

special enzymes that help fungi break down things

A

exoenzymes

41
Q

osmotic pressure requirements for fungi

A

resistant to high osmotic pressures

42
Q

Describe four characteristics of parasitic helminths.

A

multicellular animalia, limited digestive system, limited nervous system, reduced locamotion, and complex reproductive systems

43
Q

Describe three characteristics of algae.

A

unicellular or multicellular
photoautotrophs
sexual or asexual
fresh or salt water

44
Q

describe subcutaneous mycoses

A

below the skin due to cut in skin

45
Q

describe opportunistic mycoses

A

not usually pathogenic but take advantage of immunocompromised hosts

46
Q

What is meant by an arthropod vector? Give examples.

A

arthropod carries microbe and transmits it
mosquito, flea, tick

47
Q

Define mycosis

A

fungal diseas

BIO 442 (26 decks)

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