Microbes Flashcards

1
Q

It causes parasitic shellfish poisoning in humans when ingested

A

Alexandrium spp

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2
Q

It is produced by dinoflagellates known as Karina Brevis

A

Brevetoxin

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3
Q

Neurotoxin that causes red tide and can be harmful to human causing short term memory loss when exposed directly

A

Brevetoxin

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4
Q

Causative agent of HABs that produces neurotoxin

A

Pseudonizchia spp

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5
Q

A cycle refers to the light independent reactions in photosynthesis that takes place in three key steps

A

Calvin cycle

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6
Q

A rapid increase or accumulation in the population of algae(typically microscopic) in a water system

A

Algal bloom

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7
Q

Re coloured pigments that are abundant in members of red algae

A

Phycoerythrin

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8
Q

Blue coloured pigments that are principal pigments of blue green algae

A

Phycocyanin

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9
Q

Water soluble pigments that is blue and red in color. Commonly found in deep sea organisms for efficient absorption of light

A

Phycobilins

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10
Q

Example of Xanthophylls

A

Lutein and zeaxanthin

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11
Q

Are also called carotelos that is derivatives of carotelos

A

Xanthophylls

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12
Q

Example of carotenes

A

Acarotene betacarotene and lycopene

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13
Q

Carotenoids that are yellow coloured pigments. Do not have oxygen and absorb blue and green light and transmit yellow and red light

A

Carotenes

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14
Q

Fat soluble yellow pigments found in close association wuth chlorophylls. They protect chlorophylls from photo damage

A

Carotenoids

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15
Q

Recently discovered chlorophylls from stromatolites

A

F

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16
Q

Chlorophyll present in Xanthophyceae

A

E

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17
Q

Chlorophylls oresent in members of Rhodophyceae

A

D

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18
Q

Chlorophylls present in Bacillariophyceae

A

C1 and C2

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19
Q

Chlorophylls present in Chlorophyta

A

B

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20
Q

chlorophylls present in all groups of algae

A

A

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21
Q

Fat soluble green pigment that contains chlorins which absorb blue region and reflect green light

A

Chlorophylls

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22
Q

Calvin Cycle was discovered through

A

Chlorella research in 1948

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23
Q

Classes of Rhodophyta

A

Rhodophyceae

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24
Q

Mostly marine algae, main pigments are r-phycoeryhthrin and r-phycocyanin

A

Rhodophyta

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25
Classes of Cyanophyta
Cyanophyceae or Myxophyceae
26
Main pigments are c phycocyanin and c phycoerythrin
Cyanophyta
27
Classes of Phaeophyta
Isogenerateae, Hetero, Cyclosporeae
28
pigments are a, c, and fucoxanthin
Phaeophyta
29
Classes of Chrysophyta
Chrysophyceae, Xanthophyceae, Bacillariophyceae
30
Main pigments are carotenes and xanthophylls
Chrysophyta
31
Classes of Pyrrophyta
Desmophyceae Dinophyceae
32
Chlorophylls a, c, Beta carotene, xanthophylls are main pigments
Pyrrophyta
33
Classes of Euglenophyta includes
Euglenophyceae
34
Plants are freshwater abd terrestrial. Chlorophylls a, b, and Beta carotene are dominant pigments
Division Euglenophyta
35
Chlorophylls a, b, and beta carotene are dominant pigments
Euglenophyta
36
Classes of Chlorophyta includes
Chlorophyceae and Charophyceae
37
Chlorophyll a and b are dominant pigments. Reserve food is starch
Chlorophyta
38
Are organisms that carry out photosynthesis. Using energy from sunlight, carbon dioxide and water are converted into organic materials
Photoautotrophs
39
Are highly diverse group of microscopic single celled photosynthetic organisms that ooccur naturally in the most aquatic environments on earth
Microalgae
40
Cryptosporidium is an example of what group of protozoans
Coccidians
41
A microsporidians that causes neon tetra disease
Pleistophora
42
Pleistophora is an example of what of protozoans
Microsporidians
43
A microsporidians that causes stomach infestation with white knots
Glugea
44
Glugea is an example of what protozoan group
Microsporidians
45
A spore forming group of protozoans
Microsporidians
46
Henneguya is an example of
Myxozoans
47
Myxozoans that causes tapioca pearl disease or milky flesh due to white cysts present on the muscle tissues
Henneguya
48
A myxozoans freshwater organisms that causes whirling or spinning disease in fish
Myxobolous
49
Myxobolous is an example of what group of protozoans
Myxozoans
50
Phylum of metazoans that is related to cnidarians and classified as protozoans
Myxozoans
51
Hexamita is an example of
flagellates
52
A flagellate that causes infestation on koi gills
Ichtyobodo
53
A flagellate that causes infestation on marine fish that targets eyes and head of the fish
Hexamita
54
Ichtyobodo is an example of
Freshwater Flagellates
55
A group of protozoans characterized by having whip like appendages used for locomotion
Flagellates
56
A ciliate that causes infestation on fish gills
trichodina
57
Cryptocaryon is an example of
Ciliates
58
Trichodina is an example of
Ciliates
59
Ciliate parasite that causes infestation on fish gills
Trichodina
60
Ichthyopthirius multifilis is an example of
Ciliates
61
A ciliate that causes ich(white spot) disease in catfish
Ichthyopthirius multifilis
62
Fish parasitic protozoans with cilia
Ciliates
63
With practice, they are the easiest to control and identify
Parasitic protozoans
64
Thin extension of cytoplasm in foraminiferans used for locomotion, feeding, and attachments
Pseudopodia
65
A shell of foraminiferans that is composed of calcium carbonate
Test
66
Cell wall of bacteria has content known as
Peptidoglycan
67
Penicillin is derived from
Fungi
68
Biogeochemically important in the formation of carbonate sediments
Foraminiferans
69
Marine mold that causes diseases like saprolegniosis
Oomycetes
70
True fungi that causes black gill disease of prawns
Fusarim spp
71
Also called straminipiles, straminipolous organisms, chromists, chromistan protists
Lower fungi or zoosporic fungi
72
Most fungal infection of aquatic animals in both marine and freshwater environments are caused by
Lower fungi of zoosporic fungi
73
Also known as Hemorrhagic septicemia
Motile Aeromonad septicemia
74
How do bacteria causes disease?
Enter the host Multiply, Interfere with defense mechanism Damage tissues
75
A type of transmission of disease from brooder to egg and fry
Vertical Transmission
76
A type of transmission of disease from fish to fish and reservoir to fish
Horizontal transmission
77
They are the simplest type of microbes and not considered as organisms but a living particle
Virus
78
Obligate intracellular parasites because they can only replicate in association with a host cell whichc they infect
VIrus
79
They are made up of nucleic acid (DNA or RNA) and protein have some of the characteristics of life. They lack ribosomes for protein synthesis, membranes, and means to generate energy
Virus
80
Are motile because they are predatory on other microbes and have to catch and ingest their food
Protozoans
81
Are animal-like, non-photosynthetis eukaryotes common in moist environments, including the intestinal tracts of animals
Protozoans
82
The kingdom includes mushroom, molds, and yeasts. Yeasts are trully unicellular, while molds and mushrooms are nulticellular
Fungi
83
Are non-photosynthetic, generally non-motile, that absorb their nutrients directly from the environment
Fungi
84
Are also Unicellular prokaryotic organisms that have a unique type of cell wal and cell membranes that distinguishes them from Archaea
Bacteria
85
Are a group or unicellular, prokaryotic cells that sometimes produce methane during their metabolism, and which often lives in extreme environments such as high temperature, low pH or high salt concentration
Archaea
86
With distincyc nucleus surrounded by membrane that separate it from other contents of the cell
Eukaryotic cells
87
Do not contain membrane bound nucleus. Instead, their hereditary material is suspended in a portion of cytoplasm called the nucleoid
Prokaryotic cells
88
Unicellular organisms capable of existing as single cells
Microbes