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Human Body > Microorganisms > Flashcards

Microorganisms Flashcards

1
Q

What is bioremediation

A

Microbes used for cleaning up the environment by breaking down toxic substances

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2
Q

What is agricultural microbiology

A

Recycling nutrients and decomposing materials in soil

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3
Q

What’s the purpose of a capsule

A

AIDS attachment to surface

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4
Q

What’s the function of a cell wall

A

Maintains cell shap and protects

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5
Q

What’s the function of a chromosome

A

Contains genetic info for cells metabolism and reproduction

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6
Q

What’s the function of a plasmid

A

Contains genetic info that supplements info in chromosome

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7
Q

What’s the function of pili or fimbriae

A

Helps cell attach and transfers genetic info between cells

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8
Q

What’s the function of an endospore

A

Enables cell to resist heat and desiccation

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9
Q

What is the purpose of a gram test

A

Using dye to distinguish prokaryote/bacteria cells and indentifying them

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10
Q

What is gram positive

A

When a prokaryote has more layers of peptidoglycan and stain purple

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11
Q

What is gram negative

A

When the cell has a different composition and stains pink

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12
Q

What is the temperature and pH bacteria grow in

A

37 degrees Celsius and pH 7

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13
Q

What’s a superficial infection

A

Infections that occur on the outer parts of the body such as skin or mucus membranes e.g propionibacterium acne

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14
Q

What a systemic infection

A

Infections of tissues and organs such as in the blood e.g tonsillitis or strep throat

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15
Q

What are characteristics of fungi

A

Eukaryotic cells

Multicelled except for yeasts

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16
Q

What are characteristics of yeasts

A

Variations of round shapes

Reproduce by budding or binary fission

17
Q

What are characteristics of moulds

A

They are filamentous

They form mycelium

18
Q

What’s a systemic fungal infection

A

Affects tissues or organs such as Candida

19
Q

What’s a superficial fungal infection

A

Infection on the skin or mucus membrane such as tinea, ringworm or athletes foot

20
Q

What are the main features of Protozoa

A

Eukaryotic cells
Single celled
Are divided up by their way of movement eg flagella, cilia or pseudopodia

21
Q

What are diseases caused by Protozoa

A

Malaria, trich, toxoplasmosis and cryptosporidium

22
Q

What makes viruses different from other microbes

A

The are acellular
They need a host cell to replicate
Are obligate intercellular parasites

23
Q

What are the steps of viral reproduction

A 
A- attachment to host cell
E- entry and uncoating
R - replication
A- assembly of Virion 
R - release of virus particles from host cell
24
Q

What are the structures of viruses?

A

They consist of nucleic acid, capsomere, capsid and some have spikes and an envelope

Human Body (16 decks)

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