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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
Also know as "Conjugation fungi"
Zygomycetes
26
Also known as "Sac Fungi"
Ascomycetes
27
Also known as "Fungi imperfecti"
Deuteromycetes
28
It is an artificial class of Fungi
Deuteromycetes
29
Also called "Club Fungi"
Basidiomycetes
30
Most advanced and most commonly seen fungi
Basidiomycetes
31
Common bread mold
Zygomycetes
32
The septa possess central pores called septal pores
Ascomycetes
33
Spores produce in asci
Ascomycetes
34
Saprophytic molds that have coenocytic hyphae
Zygomycetes
35
Sexual and Asexual spores of the Zygomycetes
Sexual: Zygospores Asexual: Sporangiospores
36
Reproduce only by asexual spores
Deuteromycetes
37
Decompose cellulose and lingin
Basidiomycetes
38
Sex organelles of fungi (Male and Female)
Male: Antheridium Female: Oogonium
39
Motile spores and presence of flagella
Zoospores
40
Non-motile and dispersed by air, single cells spores formed within sacs known as sporangium formed at the end of a special hypha
Sporangiospores
41
Thick walled which contain storage products
Chlamydospores
42
Conidia which are produced by budding as in Candida albicans
Blastoconidia
43
Single cell spores formed from cells of the vegetative hyphae by accumulation of protoplast and secretion of thick wall
Chlamydospores
44
Formed under adverse conditions
Oidia
45
Small-yeast like cells
Oidia
46
Small or large, single cell spores formed at the tips or sides of fungal hyphae conidiophores
Conidia
47
Formed and subsequently released during the process of hyphal fragmentation
Arthroconidia
48
Large and small multi-celled conidia
Macroconidia and Microconidia
48
Lacks mitochondria
Macroconidia and Microconidia
49
Fusion of protoplasm
Plasmogamy
50
Fusion of Nucleus
Karyogamy
51
Motile gametes are called
Planogametes
52
3 Types of planogametic copulation
Isogamy, Anisogamy, Oogamy
53
Morphologically similar but compatible types of gametes unite to form a motile zygote
Isogamy
54
Union of one larger gamete
Anisogamy
55
A non-motile female gamete is fertilized by motile male gamete
Oogamy
56
Process of fusion of entire contents
Gametangial Copulation
56
Results in the formation of Oospores, a resistant structure and resting spore
Oogamy
57
Fusion between unequal gametangia
Aniso Gametangial Copulation
58
2 Morphologically similar gametangial hyphae cone in contact
Isogamous Copulation
59
No sex organs are produced
Somatogamy
60
Somatic cells functions as gametes
Somatogamy
61
Non-meiotic spores produced inside special sacs called asci
Ascospores
62
Non-motile meiospore formed on short outgrowths or club-shaped structures called basidium
Basidiospores
63
Large, thick-walled spores formed at the tips of 2 sexually compatible hyphae
Zygospore
64
Spores formed within a specialize female structure (Oogonium) after fertilization of eggs by male gametes formed in an antheridium
Oospores
65
Reproductional nuclear division
Meiosis
66
The predominant sterol is ________ in contrast to cholesterol
Ergosterol
67
Study of Fungi
Mycology
68
In yeasts, contain protein complexed with polysaccharide
Hyphal Cell Wall

MICR101A - Final Poduct (1 decks)

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