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Microbiology lab > Microbiology lab final > Flashcards

Microbiology lab final Flashcards

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Biology 101 flashcards
1
Q

In the MRVP test, MR tests for _______ fermenters and VP tests for __________ fermenters

A

methyl red, voges proskurate

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2
Q

If an antibiotic kills the organism the effect is called

A

sensitive (effective)

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3
Q

If an antibiotic inhibits the growth of organism the effect is called _____

A

intermediate

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4
Q

Simmon’s agar slant is used to test for presence of ______ enzyme and the color of the slant will turn to ______ color if it is positive.

A

citrase, blue

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5
Q

anaerobes

A

don’t need oxygen

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6
Q

strict anaerobes

A

oxygen is toxic

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7
Q

facultative anaerobe

A

either or (anaerobic /aerobic)

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8
Q

Aerotolerant

A

doesn’t use for growth but can grow in O2 environment

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9
Q

Strict Aerobes

A

do need oxygen

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10
Q

Microaerophile

A

small amount of O2 needed

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11
Q

A bacterium growing far from an antibiotic, antiseptic, or disinfectant disc is said to be ______ the chemical

A

sensitive to

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12
Q

A bacterium growing close to an antibiotic, antiseptic, or disinfectant disc is said to be _______ the chemical

A

resistant to

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13
Q

Antibody

A

is a protein produced by your body’s defense system to help fight infections

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14
Q

Antigen

A

is any substance that can cause an immune response

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15
Q

GAS

A

group A streptococci

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16
Q

What test is used for Strep?

A

areta rapid strep test

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17
Q

Epidemic

A

an increase in the prevalence of a disease over a given time, within a specific area or affecting a particular population

18
Q

Pandemic

A

an increase in the prevalence of a disease over a given time is a widely distributed area

19
Q

Index case

A

the first person diagnosed with a disease that caused an epidemic/pandemic

20
Q

Fomite

A

inanimate objects that can spread diseases (beddings, towels)

21
Q

Echanical and biological transmitters

A

transmitted fromm one host to another by means of arthropod vectors, which serve either as echanical (houseflies) or biological (mosquitoes)

22
Q

Carriers

A

those individuals who harbor pathogens without exhibiting signs and symptoms

23
Q

Epidemiology

A

is the study of the spread of disease through a population

24
Q

What three things does epidemiology focus on?

A

spread of a disease, control of a disease, prevention or treatment of a disease

25
Q

Name 2 industries in which fungi is widely used

A

restaurants use mushrooms, scientific labs

26
Q

What is the general process of producing beer?

A
  1. cooking 2. fermentation 3. bottling 4. carbonating
27
Q

What are possible modes of contamination for food?

A

handling and processing of foods

28
Q

Anamorph (fungi)

A

asexual

29
Q

Teliomorph (fungi)

A

sexual

30
Q

Hyphae are…

A

filamentous growth of fungi

31
Q

Multiple hyphae are called…

A

mycelium

32
Q

Stipe of a mushroom

A

stalk

33
Q

Annulus of a mushroom

A

ring structure

34
Q

Volva of a mushroom

A

underground structure, from which the whole fleshy body of the mushroom erupted

35
Q

Gills/pores/teeth of a mushroom

A

producing structure

36
Q

Pileus of a mushroom

A

the cap

37
Q

lytic cycle

A

occurs in the virally infected bacteria, the bacteria lyse releasing new viral particles

38
Q

Lystate

A

the suspension of bacteriophages

39
Q

Lysogenic phage

A

have machinery to incorporate their viral DNA into the bacterial chromosome, this integration is called prophage

40
Q

Tittering

A

can determine the number of phage particles in suspension

41
Q

The acid fast stain is used to look at bacteria which contain which of the following compounds in their cell wall?

A

polysaccharides

42
Q

Write three functions of the capsule

A
  1. look at bacteria under microscope, 2.. to tell the different bacteria apart from one another by using different colors
  2. to practice completing this process correctly

Microbiology lab (1 decks)

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