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VMicro 101 > Midterms > Flashcards

Midterms Flashcards

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1
Q

groups of microorganisms contains both DNA and RNA?

A

Viruses, Viroids, Prions and Lichens

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2
Q

Who is the Russian scientist who established the characteristics of viruses

A

Iwanowsky

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3
Q

How many bacterial genera belongs to family Enterobacteriaceae?

A

8

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4
Q

Which of the following cannot survive at ph 8.5?

A

Acidophiles

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5
Q
  1. Which of the following is the site of generation of proton motive force?
A
  • cytoplasmic membrane
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6
Q
  1. Which of the following metabolic pathway is used by some microorganisms when acetate is the sole carbon source?
A
  • Glyoxylate Cycle
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7
Q

Which of the following structures external to the bacterial cell wall facilitates nutrient absorption in diluted environment?

A

prosthecae

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8
Q

Which of the following microscopes is not useful in the study of living microorganisms?

A

Transmission Electron

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9
Q

Which of the following media is differential?

A
  • Blood Agar
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10
Q

Which of the following features are produced by or found in gram negative bacteria?

A
  • Braun’s lipoprptein
  • periplasm
  • spheroplasts
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11
Q

major groups of microorganisms is eukaryotic and absorptive

A

fungi

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12
Q

cellular structures contains the unit of hereditary material that contains the informations that determine the characteristics of certain organism?

A

chromosome

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13
Q

term refers to a convenient energy carrier that provides the cell with readily available energy?

A

ATP

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14
Q

Rickettsial disease is transmitted by ticks?

A
  • Rocky Mountain Spotted Fever
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15
Q

seen in unaided human eye?

A
  • microbial colony
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16
Q

does not describe Mycoplasmas?

A
  • unlimited biosynthetic abilities
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17
Q

microscopes can examine cells in a living state?

A

darkfield

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18
Q

groups of microorganisms are able to grow in oxygen concentration that is lower than the atmospheric air?

A

microaerophiles

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19
Q

Which of the following is a mollicute?

A

Mycoplasma

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20
Q
  1. Which of the following is anabolic?
A

amination

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21
Q

bacterial genera belongs to Family Rickettsiaceae?

A
  • Rickettsia
  • Rochalimaea
  • Coxiella
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22
Q

phase of bacterial growth occurs when bacterial cells are metabolizing?

A

lag phase

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23
Q

following structures external to the bacterial cell wall are responsible for travelling a helical wave?

A
  • axial filaments
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24
Q

species of genus Vibrio is a pathogen for marine fish and eels?

A
  • anguillarum
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25
Q

How many bacterial families belong to aerobic, gram negative rods and cocci?

A

7

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26
Q

Which major class of enzymes is involved in electron transfer reactions?

A

Oxidoreductase

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27
Q
  1. Which of the following refers to cysts?
A
  • it can undergo germination under suitable condition
  • it is metabolically dormant
  • it develops by differentiation of vegetative cell
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28
Q

Who recognized the indirect transmission of diseases?

A

Semmelweis

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29
Q

Term appropriate when we refer to all organized chemical activities performed by a cell?

A

metabolism

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30
Q

genera of Spirosomaceae produces yellow colonies?

A

spirosoma

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31
Q

spirochetes affects human beings?

A
  • Leptospira spp
    Borrelia spp
  • Treponema spp.
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32
Q

major groups of microorganisms is prokaryotic?

A

bacteria

33
Q

scientist believed that microorganisms in the air have weight?

A

Pasteur

34
Q

groups of microorganisms are usually harmed by the presence of molecular oxygen?

A

obligate anaerobes

35
Q

bacterial genera is gram negative?

A

Aeromonas

36
Q

features is distinguishing for Spirochetes?

A
  • with periplasmic flagella
37
Q

following is achieved when light rays from an illuminator are passed through a condenser?

A

magnification

38
Q

the major groups of microorganisms is neither prokaryotic nor eukaryotic?

A

virus

39
Q
  1. Who introduced original canning process
A
  • Francois Appert
40
Q
  1. Who is the microbiologist who first encountered a problem on spores?
A

John Tyndall

41
Q

a bacterial genus that contains enzymes necessary to use glucose and inorganic salts for the synthesis of all amino acids they need?

A

Lactobacillus

42
Q

terms refers to the ability of the lenses to distinguish fine two points as distinct and separate?

A

resolution

43
Q

major class of enzymes is involved in the formation of bonds with cleavage or breakage of ATP?

A

Ligase

44
Q

major groups of microorganism is eukaryotic and ingestive?

A

protozoa

45
Q

term refers to the light-bending ability of the medium?

A

reflective index

46
Q

features are produced by or found in gram positive bacteria?

A
  • greater amount of peptidoglycan ragmentation Budding
  • teichoic acid
  • protoplasts
47
Q

introduced asceptic surgery?

A

Lister

48
Q

the following statements describes Hexose Monophosphate Shunt?

A
  • It is used by Enterococcus faecalis
  • It operates simultaneously with glycolysis
  • It yields only 1 net gain of ATP molecule
49
Q

scientists believed that microorganisms in the air can be killed by heating?

A

Spallanzani

50
Q

following tests identifies the microorganisms by detecting small amounts of microbial DNA in a sample?

A

Polymerase Chain Reaction

51
Q

the following bacterial genera is parasitic on other Gram negative bacteria?

A

Bdellovibrio

52
Q

bacterial genera lacks cell wall?

A

Mycoplasma

53
Q

structures external to the bacterial cell wall are responsible in facilitating adhesions to the host cell?

A

Fimbrae

54
Q

serves as template for DNA synthesis?

A

another DNA

55
Q

microbiologist that described spores as special stage in the life cycle of hay bacillus

A

Ferdinand Cohn

56
Q
  1. following scientists did not oppose the theory of spontaneous generation?
A

Needham

57
Q

stage of bacterial growth cycle has deficient enzymes and coenzymes?

A

lag phase

58
Q

bacterial genera is gram positive?

A

Bacillus

59
Q

How can we measure bacterial activity?

A

biochemical test

60
Q

bacterial genera is budding and/or appendaged?

A

Caulobacter

61
Q

microorganisms produces green crystals around colonies?

A
  • Pseudomonas chlororaphis
62
Q

Whose observation laid the groundwork for the development of the cell theory?

A

Hooke

63
Q
  1. Which of the following is an oxidizing agent?
A

Ferric ion

64
Q

Who discovered the antibiotic ‘Penicillin’?

A

Alexander Fleming

65
Q

term appropriate when we refer to all organized chemical activities performed by a cell for energy production?

A

catabolism

66
Q

metabolic pathways is amphibolic (pathway that functions in both anabolistic and catabolistic reactions.?

A

Kreb cycle

67
Q

bacterial genera is described as very short rods with no flagella?

A
  • Brucella
  • Francisella
  • Bordetella
68
Q

highly pleomorphic with no cell wall?

A

mycoplasma

69
Q

group of microorganisms grows in Saboraud’s Dextrose Agar?

A

fungi

70
Q

term appropriate when we refer to all organized chemical activities performed by a cell that utilized energy?

A

anabolism

71
Q

food reserve deposits are found in enteric bacteria?

A

glycogen

72
Q

pathway is an initial step for both fermentation and cellular respiration of eukaryotes?

A

Embden Meyerhoff Pathway

73
Q

major group of microorganisms generates ATP via photophosphorylation?

A

algae

74
Q

microorganisms produces yellow colonies?

A

Mirococcus luteus

75
Q
  1. Who is the microbiologist who concluded that epidemic disease can be spread directly or indirectly
A

Fracastoro

76
Q

major class of enzymes is involved in the addition of double bonds in a molecule as well as non-hydrolytic removal of chemical groups?

A

Lyases

77
Q

stage of bacterial growth cycle has constant population?

A

Stationary phase

78
Q
A

VMicro 101 (9 decks)

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