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Mycoviro (Finals) > Basic Mycology > Flashcards

Basic Mycology Flashcards

1
Q

fungus that grows naturally in soils throughout the world

A

Beauveria bassiana

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2
Q

acts as a parasite on various arthropod species, causing white muscardine disease; it thus belongs to the entomopathogenic fungi.

A

Beauveria bassiana

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3
Q

Non-selective isolation medium used for the growth and maintenance of pathogenic and non-pathogenic fungi from clinical and nonclinical specimens

A

Sabouraud Dextrose Agar

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4
Q

Who invented SDA?

A

Raymond Saboraud

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5
Q

2 types of microscopic fungi

A

yeast and mold

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6
Q

Round oval shape with a unique mode of asexual reproduction

A

Yeast

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7
Q

Long thread like cell (Multicellular)

A

Hyphae

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8
Q

How do fungi obtain nutrients

A

They get nutrients on substrate from an organism by the use of enzyme to break it down then absorbs it

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9
Q

The woven, intertwining mass of hyphae that makes up the body or colony of a mold

A

Mycelium

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10
Q

divide the hyphae in to segments

A

Septa (Septate)

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11
Q

one long, continuous cell with no segment

A

Aseptate / nonseptate

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12
Q

visible mass of growth on the substrate surface; penetrates the substrate to digest and absorb nutrients

A

Vegetative hyphae

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13
Q

from vegetative hyphae; responsible for the production of spores

A

Reproductive hyphae

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14
Q

Primary reproduction of fungi?

A

Production of spores

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15
Q

NOTE: Function of spores:

  • Multiplication
  • SUrvival
  • Production of genetic variation
  • Dissemination
A
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16
Q

This type of fungi usually multiply asexually by budding

A

Yeast

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17
Q

Basis of identification for fungi when it comes to both sexual and asexual reproduction

A

Spore formation

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18
Q

Spores are formed by aerial hyphae.

T or F

A

T

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19
Q

Sexual spore 3 phases:

A

Plasmogamy (Sperm and Egg cell meet)
Karyogamy (Diploid formation)
Meiosis (Haploid formation)

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20
Q

Haploid nucleus of a donor cell penetrates the cytoplasm of recipient cell

A

Plasmogamy

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21
Q

This phase of sexual spores where nuclei fusion happens which turns into diploid nucleus

A

Karyogamy

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22
Q

This phase of sexual spores where Haploid forms

A

Meiosis

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23
Q

A type of asexual spore where formed by successive cleavages within the sporangium

A

Sporangiospores

24
Q

A type of asexual spore that is a free spore that can develop either by pinching off the tip of fertile hypha or by segmentation of vegetative hypha

A

Conidiospore

25
Q

spore formed in a sac-like cell known as an ascus, the shape of which aids in identification of the fungus. Often eight (8) spores formed

A

Ascospores

26
Q

sexual spore (union of two nuclei) produced on a specialized club-shaped structure, called a basidium.

A

Basidiospore

27
Q

a thick-walled spore formed during sexual reproduction in the Phycomycetes

A

Zygospore

28
Q

What do you call a conidia that is multicellular

A

Macroconidia

29
Q

What do you call a conidia that is Unicellular

A

microconidia

30
Q

special type of asexual spore formed by disarticulation of the mycelium.

A

Arthroconidium

31
Q

sexual spore formed from a budding process along the mycelium or from another blastospore.

A

Blastoconidia/blastospore

32
Q

thick-walled resistant asexual spore formed by direct differentiation of the mycelium

A

Chlamydospore

(Clam has a thick shell)

33
Q

an asexual spore contained in a sporangium at the end of a sporangoiphore of the taxonomic class Phycomycetes Zygomycetes

A

Sporangiospore

34
Q

asexual spore produced on a thallus (hypha)

A

Thallospore

35
Q

Human infection by pathogenic fungi usually occurs through accidental contact

T or F

A

T

36
Q

Mycoses vary in the way the agent enters the body and the degree of tissue involvement

T or F

A

T

37
Q

Nearly all fungi are free-living and don’t need a host

T or F

A

T

38
Q

Superficial infection fungi

A

M. furfur
Exphiala werneckii
Trichosporo beigelii
Piedraia hortae

39
Q

Subcutaneous infection fungi

A

Chromoblastomycosis mycetoma

Sporotrichosis

Phaeohyphomyosis

40
Q

Fungies are involed in

Allergies
Poisoning
Agricultural damage

T or F

A

F

41
Q

Fungi can decompose organic matter and returning essential minerals to the soil

T or F

A

T

42
Q

Mycorrhizae increase the ability of plant roots to absorb water and nutrients

T or F

A

T

43
Q

A fungi with thin-walled, infrequently septate, multi-nucleate coenocytic hyphae

A

Zygomycetes

44
Q

In zygomycetes, Cells are separated by solid cross walls with no pores and there is no flow of cytoplasmic material between cells.

T or F

A

T

45
Q

Most common conidial moulds

A

Ascomycetes

46
Q

Aspergillus

a. ascomycetes
b. basdiomycetes
c. zygomycetes
d. Oomycetes

A

a

47
Q

Fusarium

a. ascomycetes
b. basdiomycetes
c. zygomycetes
d. Oomycetes

A

a

48
Q

Scedosporium

a. ascomycetes
b. basdiomycetes
c. zygomycetes
d. Oomycetes

A

a

49
Q

Fungi with septate hyphae with simple pores where cytoplasmic and nuclear migration is not inhibited.

A

Ascomycetes

50
Q

block the pore if a hyphal compartment gets damaged

A

Woroin bodies

51
Q

Fungi with septate hyphae with complex septal pores called dolipores,which allow cytoplasmic but not nuclear migration.

Bascially septate with no pores for nucleus

A

Basidiomycetes

52
Q

Hyphae are dikaryoti in Ascomycetes?

T or F

A

F

Basidiomycetes

53
Q

hyphal clamp connections

a. ascomycetes
b. basdiomycetes
c. zygomycetes
d. Oomycetes

A

b

54
Q

string of elongated blastoconidia formed by some yeasts that resemble a hypha-like filament.

A

Pseudophyphae

55
Q

budding yeast cells elongating to form a filament, each segment or compartment is just a single yeast cell.

A

Pseudohyphae

56
Q

Example of fungi with pseudohyphae?

A

Candida albicans

57
Q

Asexual reproduction occurs by meiosis only

T or F

A

F

Mitosis

Mycoviro (Finals) (8 decks)

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