UNIT IV-C Flashcards
1
Q
An alga that infects potato crops
A
Phytopthora infestants
2
Q
Five Eukaryotic organisms that affect humans
A
- fungi
- Algae
- Protozoa
- parasitic helminths
- Arthropods
3
Q
Life cycle of parasitic helminths
A
Egg, larva, and adult
4
Q
Animals with jointed legs
A
Arthropods
5
Q
Arthropods that transmit infectious diseases
A
Vectors
6
Q
Is the study of fungi
A
Mycology
7
Q
Help their roots absorb minerals and water from the soil
A
Mychorrhizae
8
Q
Fungi for food
A
Mushroom
9
Q
Fungi to produce foods
A
Bread and citric acid
10
Q
Fungi to produce drug
A
Alcohol and penicillin
11
Q
Cell wall of fungi
A
Chitin
12
Q
Cell wall of bacteria
A
Peptidoglycan
13
Q
Cell type of fungi
A
Eukaryotic
14
Q
Cell type of bacteria
A
Prokaryotic
15
Q
Two types of hyphae
A
- Septate hyphae
- Coenocytic hyphae
16
Q
Hyphae contain cross wall
A
Septate hyphae
17
Q
Cross-wall that divide them into cell-like units
A
Septa
18
Q
Hyphae contain no or lack septa
A
Coenocytic hyphae
19
Q
Hyphae grow by
A
Elongating at the tips
20
Q
Thallus means
A
Body
21
Q
Long filamentous of cells joined together
A
Hyphae
22
Q
Mass of hyphae
A
Mycelium
23
Q
The portion of hyphae that obtains nutrients
A
Vegetative hypha
24
Q
The portion concerned with reproduction; bears reproductive spores
A
Reproductive or Aerial Hypha
25
Frequently found as a white powdery coating on fruits and leaves
Yeast
26
Divide unevenly
Budding yeasts
27
Divide evenly to produce two new cells
Fission yeasts
28
Buds that fail to detach themselves
Pseudohypha
29
Attaches to humans epithelial cells as a yeasts, requires pseudohypha to invade deeper tissues
Candida albicans
30
Two forms of growth
1. Moldlike growth
2. Yeastlike growth
31
Growth that produce vegetative and aerial hypha; 25°C
Moldlike growth
32
Growth that reproduce by budding; 37°C
Yeastlike growth
33
Are formed by the hyphae of one organism
Asexual spores
34
Result from the fusion of nuclei from two opposite mating strains of the same species of fungus
Sexual spores
35
Two types of asexual spores
1. Conidiospores
2. Sporangiospores
36
Three kinds under conidiospores
1. Arthroconidia
2. Blastoconidia
2. Chlamydoconidia
37
Three phases of sexual reproduction
1. Plasmogamy
2. Karyogamy
3. Meiosis
38
A sporangium in which contain zygospores are produced
Zygosporangium
39
Is the capsule structure; reproductive spores are produced and stored
Sporangium
40
Three kinds under Sexual spores
1. Zygospore
2. Ascospore
3. Basidiospore
41
Thick-walled resting cell of certain fungi and algae
Zygospore
42
Formed in a sac (ascus)
Ascospore
43
Is a cubelike structure with 2-4 apical sterigmata that bear basidiospores
Basidium
44
Medically important phyla of fungi
1. Zygomycota
2. Microsporidia
3. Ascomycota
4. Anamorphs
5. Basidiomycota
45
Also known as conjugation fungi
Zygomycota
46
Common black bread mold
Rhizopus stolonifer
47
Is a large spore enclosed in a thick wall
Zygospores
48
Cause chronic diarrhea and keratoconjunctivitis in AIDS patients
Microsporidia
49
Inflammation of the conjunctiva near the cornea
Keratoconjunctivitis
50
Also known as sac fungi
Ascomycota
51
Sac like structure
Ascus
52
Also known as club fungi
Basidiomycota
53
Two kinds of Anamorphs
1. Teleomorphic fungi or Teleomorphs
2. Anamorphic fungi
54
Citric acid for foods and beverages
Aspergillus niger
55
Bread, wine, HBV vaccine
Saccharomyces cerevisiae
56
Biocontrol of pest
Entomophaga
57
Biocontrol of fungi
Coniothyrium minitans
58
Kill termites
Paecilomyces
59
It is more common than bacteria spoilage
Mold spoilage
60
Cause chestnut blight
Cryphonectria parasitica
61
Cause dutch elm disease
Ceratocytis ulmi
62
A fungal disease which has virtually eliminated the American chestnut
Chestnut Blight
63
Fungal diseases/infections of Mycoses classified into five groups:
1. Systemic mycoses
2. Subcutaneous mycoses
3. Cutaneous mycoses
4. Superficial mycoses
5. Opportunistic mycoses
64
Deep within body
Systemic mycoses
65
Beneath the skin
Subcutaneous mycoses
66
Disease acquired by gardeners and farmers
Sporotrichosis
67
Fungi that infects only the epidermis, hair, and nails are called
Dermatophytes
68
Mutualistic combination of green alga and fungus
Lichens
69
The first life forms to colonize newly exposed soil or rock
Lichens
70
Three types of lichens
1. Crustose lichens
2. Foliose lichens
3. Fruticose lichens
71
Protective covering
Cortex
72
Lichens as dye
Erythrolitmin
73
Kingdom Protist divided into three groups
1. Plant-like Protist
2. Fungus-like protist
3. Animal-like protist
74
A fungal-like algae
Oomycetes
75
Light-trapping pigment; responsible for colors of algae
Chlorophyll a
76
Anchor the alga to a rock
Holdfast
77
Body of multicellular alga
Thallus
78
Leaflike
Blades
79
Stemlike and offen hollow
Stipes
80
Selected phyla of algae
1. Phaeophyta
2. Rhodophyta
3. Chlorophyta
4. Bacillariophyta
81
Brown algae (kelp)
Phaeophyta
82
A thickener used in many foods is extracted from their cell walls
Algin
83
Red algae
Rhodophyta
84
Gelatinous material, harvested for agar and carrageenan
Irish moss
85
Green algae
Chlorophyta
86
Have given rise to terrestrial plants
Chlorophyta
87
They are called plankton
Dinoflagellates
88
Free floating organisms
Plankton
89
Water molds
Oomycota
90
Responsible for Irish potato blight
Phytopthora infestans
91
Periodic increases in number of planktonic algae
Algal blooms
