Introduction to Fungi. Flashcards

1
Q

Name the three types of fungi in the fungi kingdom.

A

Basidiomycetes. Zygomycetes and Ascomycetes.

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2
Q

Fungi are known as chemo-organotrophic. What does this mean?

A

They oxidise chemical bonds for energy.

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3
Q

What do fungi form?

A

Spores.

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4
Q

What do fungi lack?

A

Chlorophyll.

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5
Q

What does the fungi cell wall contain?

A

Polysaccharides - mainly chitin and glucan and absorbed nutrients.

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6
Q

What type of sterol is the main sterol found in fungi?

A

ergosterol.

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7
Q

What type of fungus is candida?

A

Its systematic , and found is the ascomycetes kingdom.

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8
Q

What is yeast?

A

A fungus that favours unicellular habitats, reproduces due to budding.

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9
Q

What are the spores of a basidiomycete called and where are they found?

A

They are called basediospores and are found at the top of the fungi.

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10
Q

What is the spore bearing projection found on the basidiomycete called?

A

Sterigmata.

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11
Q

Give an example of a basidiomycete fungus.

A

Cryptococcus.

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12
Q

What is the ring around the basidiomycete called?

A

Septum.

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13
Q

What is the bottom part of the basidiomycete called?

A

Hypha.

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14
Q

Name two fungi that belong to the ascomycete kingdom.

A

Candida, and aspergillus.

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15
Q

What are the spores of ascomycetes called?

A

ascospores.

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16
Q

What is the sac around ascospores called?

A

ascus.

17
Q

Name a fungi that fits into the zygomycete kingdom.

A

Rhizopus.

18
Q

What are the spores called in zygomycetes.

A

zygospores.

19
Q

What are dermatophytic fungal infections caused by?

A

Dermatophytes.

20
Q

What area of the body do dermatophytes target, and why?

A

Skin - because they digest keratin as a nutrient source.

21
Q

What type of infections do dermatophytes result in?

A

Ring-worm like infections.

22
Q

Name a fungi responsible for dermatophytic infection.

A

Pityriasis Versicolour. - malassezia

23
Q

what is formed on the skin by pityriasis versicolour.

A

hyphae

24
Q

Where is candida a commensal?

A

GI tract.

25
Q

Fungi is known as an opportunistic pathogen. what does this mean?

A

They attack people when they are immunocompromised.