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Microbiology Clokie > Microorganisms > Flashcards

Microorganisms Flashcards

Nutritional categories, disease causing microorganisms, basic life requirements

1
Q

BS1040

What do dermatophyte infections grow on?

A

Keratin

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2
Q

BS1040

What organism causes thrush?

A

Candida Albicans

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3
Q

BS1040

What are halophiles adapted to?

A

Salty conditions

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4
Q

BS1040

What is the difference between the endogenous and exogenous route?

A

Endogenous - Already in the body and infects when there is a change in the internal environment
Exogenous - Contracted externally from someone/something

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5
Q

BS1040

What organism causes pneumonia and where does it grow?

A

Pneumocystis carinii, intracellularly

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6
Q

BS1040

What does a catalase-positive test determine about an organism?

A

It needs oxygen to live

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7
Q

BS1040

What parasite causes malaria and what is the common vector for it?

A

Plasmodium parasite, female mosquito is the vector

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8
Q

BS1040

What organism can T.gonii go through its sexual stage in?

A

Cats

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9
Q

BS1040

What are two features of anoxygenic photo-tropism?

A

Uses bacteriochlorophyll and has one reaction centre

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10
Q

BS1040

What are the five anoxygenic prokaryotes?

A 
Heliobacteria
Purple sulphur
Purple non-sulphur
Green sulphur
Green non-sulphur
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11
Q

BS1040

What does PAME stand for and what microorganism can cause it?

A

Primary Amoebic Meningoencephalitis caused by Naegleria

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12
Q

BS1040

What do antifungal drugs typically target?

A

Cell wall integrity
Cell wall biosynthesis
RNA synthesis

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13
Q

BS1040

What do fungi have in their cell walls?

A

Chitin

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14
Q

BS1040

‘An organism that can respire aerobically in the presence of oxygen but is capable of switching to fermentation or anaerobic respiration if oxygen is absent.’ What is this defining?

A

Facultative anaerobe

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15
Q

BS1040

What is the difference between a chemoheterotroph and a chemoautotroph?

A

Chemoheterotrophs use chemical energy and existing sources of carbon
Chemoautotrophs use chemical energy and light energy

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16
Q

BS1040

What does the oxidase test do?

A

Detects the presence of cytochromes

17
Q

BS1040

What does Cryptococcous Neoformans cause?

A

Chronic meningitis

18
Q

BS1040

True or False: Methanogens are the only organisms that can produce methane as a metabolic by-product.

A

True

Microbiology Clokie (1 decks)

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