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Microbiology > Ch.12: The Eukaryotes: Fungi, Algae, Protozoa, and Helminths > Flashcards

Ch.12: The Eukaryotes: Fungi, Algae, Protozoa, and Helminths Flashcards

1
Q 
Characteristic of Fungi:
kingdom, 
nutrition type,
multicellurity, 
cellular arrangement, 
food acquisition method,
characteristic features
A 
Fungi
chemoheterotroph
all, except yeast
unicellular, filamentous, fleshy absorptive
sexual and asexual spores
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2
Q

The study of fungi

A

mycology

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3
Q

Difference between bacteria and fungi

A 
plasma membrane: ergosterols
cell wall : chitin
Eukaryotic
asexual/sexual spores
heterotrophic, aerobic, faculatative
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4
Q

The _______ of a mold or fleshy fungus consist of long filaments of cells joined together; filaments are called HYPHAE

A

thallus

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5
Q

a mass of hyphae

A

mycelium

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6
Q

______ are nonfilamentous, unicellular fungi that are typically spherical or oval. frequently found as a white powdery covering on fruits and leaves. capable of facultative anaerobic growth.

A

yeast

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7
Q

________ ______ such as Saccharomyces divide unevenly.

A

budding yeast

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8
Q

_______ _______ such as Schizosaccharomyces divide evenly to produce two new cells.

A

Fission yeast

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9
Q

Some fungi most notably the pathogenic species exhibit _________- two forms of growth, they can either grow as a mold or as a yeast.

A

dimorphism

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10
Q

Dimorphism in pathogenic fungi is temperature-dependent at

A

37 degrees celcius (yeast)

25 degrees celcius (mold)

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11
Q

True or False: Although fungal spores can survive for extended periods in dry or hot environments, most do not exhibit the extreme tolerance and longevity of bacterial endospores

A

True

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12
Q

_______ ______ are formed by hyphae of one organism. Genetically identical to the parent.

A

Asexual Spores

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13
Q

_________ ______: result from the fusion of nuclei from two opposite mating strains of the same species of fungus. will contain both parental strains.

A

sexual spores

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14
Q

Benefits of Fungi

A

decomposition nutrient cycling
yeast
antibiotics
increases surface area for nutrient absorption

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15
Q 
Characteristic of Algae:
kingdom, 
nutrition type,
multicellurity, 
cellular arrangement, 
food acquisition method,
characteristic features
A 
domain eukarya; DIVIDED INTO SUPERGROUPS
photoautotrophs
both multi/uni
unicellular, colonial filamentous, tissues
diffusion
pigments
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16
Q

Key characteristics of Algae

A

contain chlorophyll and carry out oxygenic photosynthesis
CELL WALL CELLULOSE/ SIIICA
often green, but can also be brown/red
photosynthetic

17
Q 
Characteristic of Protozoa:
kingdom, 
nutrition type,
multicellurity, 
cellular arrangement, 
food acquisition method,
characteristic features
A 
SUPERGROUP
chemoheterotroph
unicellular eukaryotic organisms
absortive; ingestive
motility, some form cycst
18
Q

Key characteristic of Protozoa:

A

reproduce asexually/sexually
found in both land and water
no cellulose based cell wall
motile

19
Q

Vegetative feeding form

A

trophozite

20
Q

dormant resting state during harsh conditions

A

cyst

21
Q

host in which parasite reproduce sexually

A

definitive host

22
Q

host in which a parasite reproduces asexually

A

intermediate host

23
Q

Malaria Definitive host & intermediate host

A

Definitive host: anopheles mosquito

intermediate host: human

24
Q 
Characteristics of Helminth:
kingdom
nutritional type
multicellularity
cellular arrangment
food acquisition method
characteristics Features
A 
Kingdom Animalia
chemoheterotroph
all multicellular
tissues and organs
ingestive/ absortive
elaborate life cylce
25
Q

2 Phylums of Helminths include:

A

platyhelminthes (flatworms)

Nematoda (roundworms)

26
Q

2 Class of Platyhelminthes include:

A

trematodes (flukes)

Cestodes ( tapeworms)

27
Q

Which systems are underdeveloped in parasitic helminths

A

reduced digestive system, reduced nervous system, and reduced locomotion

28
Q

Which systems are well developed in parasitic helminths

A 
complex reproduction (ensure infectivity)
body covering that is resistant to host digestion
29
Q

Male and female reproductive systems in one animals

A

monoecious (hermaphroditic)

30
Q

seperate male and female

A

dioecious

31
Q

Life cycle of parasitic helminth

A

egg
larvae
adult

Microbiology (26 decks)

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