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MICR101A - Final Poduct > Topic 8 - Mycology > Flashcards

Topic 8 - Mycology Flashcards

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1
Q

Fungi acquire food by ?

A

Absorption

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2
Q

Require organic compounds for their energy

A

Chemoheterotrophs

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3
Q

Fungi is unicellular (TRUE or FALSE)

A

False, Fungi is Multicellular and Yeast is Unicellular

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4
Q

Produce exoenzymes and obtain nutrients by absorption

A

Non-photosynthetic heterotrophs

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5
Q

Decomposition of organic matter, causes sporadic opportunistic infections in animals

A

Saprophytic

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6
Q

Optimum temperature for growth of Fungi

A

20 - 30 Degree celcius

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7
Q

Obligatory association with other microorganisms; Non-pathogenic

A

Mutualistic

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8
Q

Optimum pH level of Fungi

A

pH 6.0 but can tolerate acidic environments as low as pH 5.0

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9
Q

Sterol present in Fungi cell membrane

A

Ergosterol

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10
Q

Fungi reproduction

A

Sexual and Asexual spores

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11
Q

Multicellular, vegetative and reproductive phases are 2 distinct phases, and can grow as branching filaments called hyphae

A

Molds

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12
Q

Unicellular, the same cell function in vegetative growth (Asexual) as well as in sexual reproduction, Oval or spherical appearance, and frequently found as white powdery coating in fruits and leaves

A

Yeast

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13
Q

A mass of threadlike filaments which combine to make up the fungal mycelium

A

Hyphae

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14
Q

In most molds, the hyphae contains cross-walls called septa, which divide them into uninucleate cell-like units? What is this?

A

Septate Hyphae

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15
Q

In few class of fungi, the hyphae contain no septa and appear as long, continuous cells with many nuclei

A

Coenocytic hyphae

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16
Q

Mainly composed of carbohydrate components including chitin micromolecules with cellulose cross-linkages

A

Hyphal Cell Wall

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17
Q

Portion of hypha that obtains nutrients

A

Vegetative hyphae

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18
Q

Portion concerned with reproduction and often bear reproductive spores

A

Reproductive/ Aerial hyphae

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19
Q

Species that produce ethanol in brewed beverages and carbon dioxide for leavening bread tough

A

Saccharomyces

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20
Q

Some pathogenic species of fungi can exhibit two forms? What term is used for 2 forms?

A

Dimorphism

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21
Q

Dimorphism is time-dependent (TRUE or FALSE)

A

False, Temperature-dependent (At 37 C, yeast-like and at 25 C, it is mold-like)

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22
Q

Are formed only by Fungi in the phylum Zygomycota

A

Sporangiospores

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23
Q

What is the multicellular structures produced by dermatophytes?

A

Microconidia

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24
Q

Are formed from the disintegration of hyphae within keratinized structures

A

Arthroconidia

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25
Q

Also know as “Conjugation fungi”

A

Zygomycetes

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26
Q

Also known as “Sac Fungi”

A

Ascomycetes

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27
Q

Also known as “Fungi imperfecti”

A

Deuteromycetes

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28
Q

It is an artificial class of Fungi

A

Deuteromycetes

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29
Q

Also called “Club Fungi”

A

Basidiomycetes

30
Q

Most advanced and most commonly seen fungi

A

Basidiomycetes

31
Q

Common bread mold

A

Zygomycetes

32
Q

The septa possess central pores called septal pores

A

Ascomycetes

33
Q

Spores produce in asci

A

Ascomycetes

34
Q

Saprophytic molds that have coenocytic hyphae

A

Zygomycetes

35
Q

Sexual and Asexual spores of the Zygomycetes

A

Sexual: Zygospores
Asexual: Sporangiospores

36
Q

Reproduce only by asexual spores

A

Deuteromycetes

37
Q

Decompose cellulose and lingin

A

Basidiomycetes

38
Q

Sex organelles of fungi (Male and Female)

A

Male: Antheridium
Female: Oogonium

39
Q

Motile spores and presence of flagella

A

Zoospores

40
Q

Non-motile and dispersed by air, single cells spores formed within sacs known as sporangium formed at the end of a special hypha

A

Sporangiospores

41
Q

Thick walled which contain storage products

A

Chlamydospores

42
Q

Conidia which are produced by budding as in Candida albicans

A

Blastoconidia

43
Q

Single cell spores formed from cells of the vegetative hyphae by accumulation of protoplast and secretion of thick wall

A

Chlamydospores

44
Q

Formed under adverse conditions

A

Oidia

45
Q

Small-yeast like cells

A

Oidia

46
Q

Small or large, single cell spores formed at the tips or sides of fungal hyphae conidiophores

A

Conidia

47
Q

Formed and subsequently released during the process of hyphal fragmentation

A

Arthroconidia

48
Q

Large and small multi-celled conidia

A

Macroconidia and Microconidia

48
Q

Lacks mitochondria

A

Macroconidia and Microconidia

49
Q

Fusion of protoplasm

A

Plasmogamy

50
Q

Fusion of Nucleus

A

Karyogamy

51
Q

Motile gametes are called

A

Planogametes

52
Q

3 Types of planogametic copulation

A

Isogamy, Anisogamy, Oogamy

53
Q

Morphologically similar but compatible types of gametes unite to form a motile zygote

A

Isogamy

54
Q

Union of one larger gamete

A

Anisogamy

55
Q

A non-motile female gamete is fertilized by motile male gamete

A

Oogamy

56
Q

Process of fusion of entire contents

A

Gametangial Copulation

56
Q

Results in the formation of Oospores, a resistant structure and resting spore

A

Oogamy

57
Q

Fusion between unequal gametangia

A

Aniso Gametangial Copulation

58
Q

2 Morphologically similar gametangial hyphae cone in contact

A

Isogamous Copulation

59
Q

No sex organs are produced

A

Somatogamy

60
Q

Somatic cells functions as gametes

A

Somatogamy

61
Q

Non-meiotic spores produced inside special sacs called asci

A

Ascospores

62
Q

Non-motile meiospore formed on short outgrowths or club-shaped structures called basidium

A

Basidiospores

63
Q

Large, thick-walled spores formed at the tips of 2 sexually compatible hyphae

A

Zygospore

64
Q

Spores formed within a specialize female structure (Oogonium) after fertilization of eggs by male gametes formed in an antheridium

A

Oospores

65
Q

Reproductional nuclear division

A

Meiosis

66
Q

The predominant sterol is ________ in contrast to cholesterol

A

Ergosterol

67
Q

Study of Fungi

A

Mycology

68
Q

In yeasts, contain protein complexed with polysaccharide

A

Hyphal Cell Wall

MICR101A - Final Poduct (1 decks)

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