Microbiology Flashcards

0
Q

3 domains

A

Bacteria
Archaea
Eukarya

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1
Q

7 types of microorganism

A
Bacteria
Fungus
Protozoa
Microscopic algae
Viruses
Archaea
Multicellular parasites
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2
Q

Bacteria wall contain…

A

Peptidoglycon

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3
Q

Spontaneous generation

A

Arise from non living matter

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5
Q

Biogenesis

A

Arise from pre existing life

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5
Q

Saw animalcules

A

Leeuwenhoek

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6
Q

Finally disproved spontaneous generation

A

Pasteur

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7
Q

Stated that disease may be caused by microorganism

A

Germ theory of disease

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8
Q

Process the heats liquid just enough to kill most bacteria

A

Pasteurization

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9
Q

Used carbolic acid post op

A

Lister

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10
Q

Advocated hand washing

A

Semmelweis

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11
Q

Established a sequence of experimental steps to prove a specific organism causes a specific disease

A

Koch

Kochs postulates

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12
Q

Found cure for syphilis

A

Ehrlich

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13
Q

Discovered first ABX

A

Fleming

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14
Q

Study of bacteria

A

Bacteriology

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15
Q

Study of fungus

A

Mycology

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16
Q

Study of Protozoa and parasites

A

Parasitology

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17
Q

Study of immunity

A

Immunology

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18
Q

Study of virus

A

Virology

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19
Q

4 benefits of microorganisms

A

Microbial ecology
Biological insecticides
Bioremediation
Biotechnology

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20
Q

Complex aggregation of microbes.

A

Biofilm

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21
Q

EID

A

Emerging infectious diseases

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22
Q

A disease causing microorganism is called

A

Pathogen

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23
Q

Developed the formal system of classifying and naming organisms

A

Linnaeus

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24
2 names given to organisms
Genus capitalized and italicized | Species italicized
25
Object appears dark against a light background
Brightfield
26
Object appears light against a dark background
Darkfield
27
Detailed view of internal structures
Phase contrast microscope
28
UV light used
Fluorescent
29
Electrons used instead of light
Electron microscope
30
3 categories of stains
Simple Differential Special
31
3 basic shapes of bacteria
Bacillus Coccus Spiral
32
Function of the capsule (glycocalyx) is to
Prevent phagocytosis
33
Used for movement
Flagella
34
Hairlike appendages
Fimbriae- attachment | Pili- transfer DNA
35
Maintains the shape of the wall
Cell wall
36
Allows movement of molecules in and out of the cell
Plasma membrane
37
Where the chemical reactions occur within the cell
Cytoplasm
38
Used for storage
Inclusions
39
Contains the bacterial DNA
Nucleoid
40
Resting state for some bacteria
Endospores
41
Pieces of DNA that are independent
Plasmids
42
Nucleoid
Not all bacteria have them Not required for cell to survive Replicates independently of the chromosomal DNA Can be transferred
43
Cell wall is made of
Peptidoglycan
44
5 requirements for bacterial growth
``` Chemical Temperature PH Osmotic pressure Atmosphere ```
45
Refers to bacteria that will grow in presence of oxygen
Obligate aerobe
46
Refers to bacteria that will NOT grow in oxygen
Obligate anaerobe
47
Refers to bacteria that will grow in presence or absence of oxygen
Facultative
48
Refers to bacteria that require high amounts of CO2 too grow
Capneic
49
Refers to bacteria that will grow in LOW levels of oxygen
Microaerophilic
50
4 stages of bacterial growth curve
Lag Log Stationary Death
51
Phase of little activity, plentiful nutrients and little waste
Lag
52
Phase where cellular reproduction is most active
LOG
53
Phase of equilibrium where living cell equal number of dying cells
Stationary
54
Phase where dying cells outnumber living cells
Death phase
55
Definition: culture media
Nutrients prepared for microbial growth
56
1st vaccination
Smallpox- Jenner
57
Micro organisms on our body that do no harm
Normal microbiota (flora)
58
Correct order of reagents in Gram Stain
Crystal Violet Iodine Decolorizer Safranin
59
Gram + bacteria: gram stain
Crystal Violet: purple Iodine: purple Decolorizer: purple Safranin: purple
60
Gram - bacteria: gram stain
Crystal Violet: purple Iodine: purple Decolorizer: colorless Safranin: red