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Microbiology > Intro to Mycology > Flashcards

Intro to Mycology Flashcards

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Biology 101 flashcards
1
Q

Fungi are saprophytic T/F

A

T

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2
Q

Fungi are heterotrophic prokaryotes T/F

A

F
Heterotrophic eukaryotes

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3
Q

The fungal membrane contains

A

Ergosterol rather than cholesterol

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4
Q

Ergosterol is the site of action of

A
  1. Anti fungal drugs
  2. Amphotericin B
  3. Azole group
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5
Q

The fungal cell wall consists primarily of

A

Chitin(as well as Beta glucan, a long polymer of D-glucose)

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6
Q

List all the components of the fungal cell wall

A
  1. Mannoproteins
  2. Glucans
  3. Chitin
  4. Cell membrane
  5. Membrane proteins
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7
Q

Pick the right answer
1. All fungi are obligate aerobes
2. Most fungi are facultative anaerobes
3. No fungi are obligate anaerobes

A

Most fungi are obligate aerobes, Some are facultative anaerobes, none are obligate anaerobes

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8
Q

All fungi are chemoheterotrophs T/F

A

T

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9
Q

No fungi are parasitic T/F

A

F. Some fungi are parasitic

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10
Q

The natural habitat of most fungi is the soil or dead matter with the exception of

A

Candida Albicans
part of the human flora

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11
Q

Fungi are morphologically classified into

A

Filamentous fungi(mold-like)
Yeast-like fungi

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12
Q

Examples of yeast like fungi

A

Saccharomyces cerevisiae

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13
Q

Examples of filamentous fungi

A

Mucor
Rhizopus

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14
Q

Yeast is to Bud as Mold is to

A

Hypha

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15
Q

The mass of a mold is called

A

Mycelium

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16
Q

Yeasts sexiest as connected spheroid cells T/F

A

F
Single, uncomnected

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17
Q

Yeasts reproduce by formation of buds known as

A

Blastospores

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18
Q

Examples of Dimorphic fungi

A

Histoplasma capsulatum
Blastomyces

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19
Q

Dimorphic fungi are yeast in the human body and molds in the environment T/F

A

T

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20
Q

Fungi reproduce by

A

Sporulation (sexually or asexually)

21
Q

In Asexual sporulation, the fungi passes through via which phases

A
  1. Conidiophore
  2. Vesicle
  3. Sterigmata
  4. Conidia
22
Q

Stages of sexual sporulation

A

Nuclear fusion
Meiosis

Ascus to form ascospores

23
Q

The color of a typical fungal colony seen on a culture plate is caused by

A

Conidia

24
Q

Conidia are

A

Fungal asexual spores

25
Q

Some important conidia include

A

Arthrospores
Sporangiospores
Blastospores
Chlamydospores

26
Q

Which conidia arise by fragmentation of the ends of hyphae

A

Arthrospores

27
Q

Arthrospores are the mode of transmission of

A

Coccidioides immitis

28
Q

Which conidia are thick walled, rounded and resistant

A

Chlamydospores

29
Q

Blastospores are formed by what process

A

Budding

30
Q

C. Albicans form buds that do not detach, producing sausage like chains called

A

Pseudohyphae

31
Q

Sporangiospores are formed within

A

A sac (sporangium) on a stalk by molds

32
Q

Examples of sporangiospores

A

Molds such as Rhizopus and Mucor

33
Q

Fungi that undergo sexual sporulation

A

Zygospores
Ascospores
Basidiospores

34
Q

Ascospores are formed in a sac called

A

Ascus

35
Q

Zygospores are single, large, thin walled spores

A

F. Thick walled

36
Q

Basidiospores are formed where

A

Tip of pedestal called a Basidium

37
Q

Fungi that do not form sexual spores are classified as

A

Fungi imperfecti

38
Q

Fungi are frequently cultured in

A

Sabouraud’s agar

39
Q

What chemicals are added to inhibit bacterial growth in fungal culture

A

Chloramphenicol
Cycloheximide

40
Q

Yeasts are fungi that reproduce by

A

Budding

41
Q

When do yeasts produce ascospores

A

Starvation conditions

42
Q

Cutaneous mycoses are also called

A

Dermatophytes

43
Q

Mycoses are classified into

A

Cutaneous
Subcutaneous
Systemic
Opportunistic

44
Q

Dermatophytes are divided into

A

Trichophyton
Epidermophyton
Microsporum

45
Q

Subcutaneous mycoses examples are

A

Sporotrichosis
Chromomycosis

46
Q

In Which fungal infection may fungi systemically affect the immune competent or immunocompromised

A

Systemic mycoses

47
Q

Examples of systemic mycoses

A

Coccidoidomycosis
Histoplasmosis
Blastomycosis

the system of BCH😂

48
Q

Examples of opportunistic mycoses

A

Candidiasis
Cryptococcosis

Microbiology (6 decks)

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