MGY377 - 1

1. 1[blank_start]Phylogeny analysis[blank_end] is the classification based on evolutionary relationships.

   1. APhylogeny analysis
2. 2[blank_start]Strain[blank_end] is a population of organism descended from a single organism or pure culture that differ from other species members.

   1. AStrain
3. 3[blank_start]Phenetic classification[blank_end] is classification based on phenotypic characteristics.

   1. APhenetic classification
4. 4Which of the following is an example of a bacteria with club-shaped cells?

   1. Aescherichia
   2. Bcorynebacterium
   3. Cactinomyces
   4. Dvibrio
5. 5Which of the following is an example of a bacteria with branching rod like cells?

   1. Abacillus
   2. Bvibrio
   3. Cactinomyces
   4. Dcorynebacterium
6. 6Which of the following is an example of a bacteria with straight rod like cells?

   1. Aescherichia
   2. Bcorynebacterium
   3. Cactinomyces
   4. Dvibrio
7. 7Which of the following is an example of a bacteria with comma like cells?

   1. Avibrio
   2. Bescherichia
   3. Ccorynebacterium
   4. Dactinomyces
8. 8Which of the following is an example of a bacteria with diplococci cell arrangement?

   1. Aneisseria
   2. Bstreptococcus
   3. Csarcina
   4. Dstaphylococcus
9. 9Which of the following is an example of a bacteria with tetrad spherical cell arrangement ?

   1. Asarcina
   2. Bneisseria
   3. Cstaphylococcus
   4. Dstreptococcus
10. 10Which of the following is an example of a bacteria with cluster spherical cell arrangement?

    1. Astaphylococcus
    2. Bstreptococcus
    3. Csarcina
    4. Dneisseria

11. 11[blank_start]Gram negative[blank_end] bacteria stain pink because they are unable to trap crystal violet/iodine complex in their thin [blank_start]peptidoglycan[blank_end] layer.

    1. AGram negative
    2. Bpeptidoglycan
12. 12[blank_start]Gram positive[blank_end] bacteria stain dark blue because they have a 90% peptidoglycan layer which trap crystal/iodine complex.

    1. AGram positive
13. 13In the first step of staining, [blank_start]crystal violet[blank_end] is smear for one minute. [blank_start]All[blank_end] cells are purple.

    1. Acrystal violet
    2. BAll
14. 14In the third step of gram staining, the cells are decolourized with [blank_start]alcohol[blank_end] for 20 seconds. [blank_start]Gram positive[blank_end] cells are purple.

    1. AGram positive
    2. Balcohol
15. 15[blank_start]Monera[blank_end] was the kingdom in the old kingdom system that contain bacteria and archaea.

    1. AMonera
16. 16[blank_start]16S RNA[blank_end] is a good evolutionary clock because it has the same functional role in all ribosomes and changes very slowly.

    1. A16S RNA
17. 17Gram [blank_start]negative[blank_end] seemed to be newly evolved from Gram [blank_start]positive[blank_end].

    1. Anegative
    2. Bpositive
18. 18[blank_start]MS2[blank_end] phage was the first organism to have its genome partially sequenced.

    1. AMS2
19. 19ddNTP does not allow DNA replication to continue because it lacks a [blank_start]3'-OH[blank_end]. This allowed the Sanger method to generate several strands of various lengths ending in different ddNTP to determine genome sequence.

    1. A3'-OH
20. 20The [blank_start]shot-gun cloning[blank_end] method expresses fragments of DNA in E.coli and determine sequence using primers complementary to plasmid area.

    1. Ashot-gun cloning
21. 21Illumina sequencing utilizes [blank_start]fluorescent nucleotides[blank_end] and [blank_start]flow cell[blank_end] to determine the sequence of a genome.

    1. Afluorescent nucleotides
    2. Bflow cell
22. 22The GC content of bacteria genome correlate with the codon likely to be in the [blank_start]wobble position[blank_end].

    1. Awobble position
23. 23Which of the following is the mode of evolution by which gene is altered by recombination or through mutagenic processes?

    1. Amutation
    2. Bgene duplication
    3. Ctransduction
    4. Dconjugation
24. 24Which of the following is the mode of evolution by which gene is altered in one copy of gene while the other retain old function?

    1. Agene duplication
    2. Bmutation
    3. Ctransformation
    4. Dconjugation
25. 25Which of the following is the mode of evolution by which gene is taken up from the environment?

    1. Aconjugation
    2. Btransformation
    3. Ctransduction
    4. Dmutation
26. 26[blank_start]Pathogenicity islands[blank_end] are blocks of newly acquired genes.

    1. APathogenicity islands
27. 27Which of the following compounds is most oxidized?

    1. ACH4
    2. BCH3OH
    3. CCH2OH
    4. DHCOOH
    5. ECO2
28. 28[blank_start]Chemolithotrophs[blank_end] are bacteria that get energy from oxidation of inorganic compounds.

    1. AChemolithotrophs
29. 29[blank_start]Sulfite Oxidase[blank_end] and [blank_start]adenosine phosphosulfate[blank_end] reductase are two important pathways for oxidizing sulfite.

    1. Aadenosine phosphosulfate
    2. BSulfite Oxidase
30. 30Sulfur, Iron, H2 and Nitrifying Bacteria all uses oxygen as the final electron acceptor.

    1. ATrue
    2. BFalse
31. 31S2O3 or S enter the electron transport flow at [blank_start]cytochrome c[blank_end].

    1. Acytochrome c
32. 32HS enters the ETC for sulfur oxidizing bacteria at [blank_start]FP[blank_end].

    1. AFP
33. 33[blank_start]Rusticyanin[blank_end] mediates the oxidation of Fe2+ in iron oxidizing bacteria and passes the electron to cytochome c.

    1. ARusticyanin
34. 34[blank_start]Ammonia Monooxygenase[blank_end] is responsible for converting NH2 to NH2OH in nitrifying bacteria.

    1. AAmmonia Monooxygenase
35. 35[blank_start]Hydroxylamine oxidoreductase[blank_end] is responsible for converting NH2OH to NO2.

    1. AHydroxylamine oxidoreductase
36. 36[blank_start]Nitrite Oxioreductase[blank_end] is responsible for converting NO2 to NO3.

    1. ANitrite Oxioreductase
37. 37In [blank_start]anaerobic[blank_end] respiration the terminal e- acceptor is molecules other than oxygen.

    1. Aanaerobic
38. 38[blank_start]Assimilative[blank_end] reduction reduce ENOUGH inorganic compounds (NO3, SO4, CO2) for nutrients.

    1. AAssimilative
39. 39[blank_start]Dissimilative[blank_end] reduction is reduction of a large amount of inorganic compound and by-products are excreted.

    1. ADissimilative
40. 40Two key enzymes involved in Calvin Cycle: [blank_start]rubisCO[blank_end] & [blank_start]phosphoribulokinase[blank_end].

    1. ArubisCO
    2. Bphosphoribulokinase
41. 41[blank_start]RubisCO[blank_end] is the rate-limiting step for CO2 fixation in Calvin Cycle and is concentrated in [blank_start]carboxysomes[blank_end].

    1. ARubisCO
    2. Bcarboxysomes
42. 42[blank_start]Carboxysomes[blank_end] are inclusions in bacterial cells, thought to avoid osmotic shock to cell.

    1. ACarboxysomes
43. 43[blank_start]6[blank_end]CO2 + [blank_start]12[blank_end] NADPH + [blank_start]18[blank_end]ATP --> C6H12O6 (PO3H2) + __ NADP+ ___ ADP + 17 Pi
    Calvin Cycle

    1. A6
    2. B12
    3. C18
44. 44[blank_start]Citrate synthase[blank_end] in Citric Acid Cycle is replaced with [blank_start]citrate lyase[blank_end] in the Reverse Citric Acid Cycle.

    1. Acitrate lyase
    2. BCitrate synthase
45. 45[blank_start]3[blank_end] CO2 + 12 H + [blank_start]5[blank_end] ATP --> triose P
    Reverse Citric Acid Cycle

    1. A3
    2. B5
46. 46Ferredoxin is linked to the carboxylation of [blank_start]succinly CoA[blank_end] to [blank_start]a-ketoglutarate[blank_end] and of [blank_start]acetyl CoA[blank_end] to pyruvate.

    1. Asuccinly CoA
    2. Bmalate
    3. Csuccinate
    4. Disocitrate
    5. Ea-ketoglutarate
    6. Fsuccinyl CoA
    7. Gcitrate
    8. Hoxaloacetate
    9. Iacetyl CoA
    10. Jsuccinyl CoA
    11. Ksuccinate
    12. LPEP
47. 47Hydoxypropionate Cycle is found in the phototroph [blank_start]Chloroflexus[blank_end].

    1. AChloroflexus
48. 48In the hydroxypropionate cycle, [blank_start]2[blank_end]CO2 is reduced to [blank_start]glyoxylate[blank_end].

    1. A2
    2. Bglyoxylate
49. 49[blank_start]2[blank_end] CO2+ 4 H + [blank_start]3[blank_end] ATP --> glyoxylate
    Hydroxypropionate cycle

    1. A2
    2. B3
50. 50[blank_start]Acetyl CoA[blank_end] And [blank_start]Propionyl CoA[blank_end] are both carboxylated during the hydroxypropionate cycle.

    1. AAcetyl CoA
    2. BPropionyl CoA
51. 51Which of the following reactions in glycolysis produce ATP?

    1. Aglyceraldehyde --> 1,3 BisPG
    2. B1,3 BisPG --> 3 PhosPG
    3. C3 PhosPG --> 2 PhosPG
    4. D2 PEP --> 2 pyruvate
52. 52[blank_start]Fermentation[blank_end] occurs during anaerobic conditions to regenerate NAD+ for glycolysis.

    1. AFermentation
53. 53[blank_start]Mg[blank_end] 2+ is important for the absorption of light and using protons to excite e-'s.

    1. AMg
54. 54[blank_start]Bacteriopheophytin[blank_end] is basically bacteriophyll without Mg2+.

    1. ABacteriopheophytin
55. 55Where does the "2nd e-" in photosynthesis comes from to the special pair?

    1. Acytochrome c
    2. Bquinone
    3. Cbacteriopheophytin
    4. Dbacteriochlorophyll
56. 56[blank_start]Antenna complexes[blank_end] surround the reaction centre and funnel light there but [blank_start]cannot[blank_end] excite electrons.

    1. AAntenna complexes
    2. Bcannot
57. 57[blank_start]Carotenoid[blank_end] is an example of accessory pigments which transfer light to the reaction centre and absorb light at a different wavelength.

    1. ACarotenoid
58. 58Every [blank_start]2[blank_end] e- transfer from ubiquinol to c2, 4 H+ is released to the periplasmic space.

    1. A2
59. 59[blank_start]Reverse Electron Flow[blank_end] occurs in some organism for Q to transfer its e- to NADH because Q has a less negative reduction potential.

    1. AReverse Electron Flow
60. 60Which of the following bacteria is NADH not a direct product of light reaction?

    1. APurple bacteria
    2. Bgreen sulfur bacteria
    3. Cheliobacteria
61. 61In anoxygenic photosynthesis, there is [blank_start]one[blank_end] photosystem(s).

    1. Aone
62. 62In oxygenic photosynthesis, photosystem II is a super great oxidizing agent so it strips e- directly off [blank_start]water[blank_end].

    1. Awater
63. 63In oxygenic photosynthesis, [blank_start]2[blank_end] e-s generate one NADPH. The H+'s generated goes to [blank_start]ATP synthase[blank_end].

    1. A2
    2. BATP synthase
64. 64[blank_start]Ferredoxin NADPH reductase[blank_end] is the last enzyme of the photosystem II in oxygenic photosynthesis.

    1. AFerredoxin NADPH reductase
65. 65Which type of nitrogen fixing bacteria has the fastest rate?

    1. Asymbiosis
    2. Bassociation
    3. Cfree-living
66. 66[blank_start]Nitrogenase Reductase[blank_end] is the first enzyme in the nitrogenase complex and receive its electon from ferredoxin.

    1. ANitrogenase Reductase
67. 67Nitrogen Reductase uses [blank_start]16[blank_end]ATP for each N2 fixed.

    1. A16
68. 68The second enzyme in the nitrogenase complex contains a cluster of 4FE-4S / 2 FeMoCo cluster which is also known as [blank_start]Iron-molybdenum Cofactor.[blank_end]

    1. AIron-molybdenum Cofactor.
69. 69[blank_start]Leghaemoglobin[blank_end] binds excess oxygen in nodules of plants.

    1. ALeghaemoglobin
70. 70Which of the following enzymes is not used in ammonium assimilation when nitrogen is abundant?

    1. AGS
    2. BGDH
    3. CGOGAT
71. 71GDH converts NH4+ with [blank_start]ketoglutarate[blank_end] to produce glutamine.

    1. Aketoglutarate
72. 72NO3 --- [blank_start]nitrate reductase[blank_end] --> NO2 --- nitrate reductase --> NO ----> N2O --- [blank_start]nitrous oxide reductase[blank_end] --> N2

    1. Anitrate reductase
    2. Bnitrate oxiductase
    3. Cnitrous oxide reductase
    4. Dnitrate oxioreductase
73. 73Which of the following is the process of SO4 --> organic S?

    1. Asulfur oxidation
    2. Bsulfur reduction (assimilation)
    3. Cmineralization
    4. Dsulfur reduction (dissimilation)
74. 74Which of the following is the process of SO4 --> H2S?

    1. Asulfur reduction (assimilation)
    2. Bsulfur reduction (dissimilation)
    3. Csulfur oxidation
    4. Dmineralization
75. 75Which of the following is the process of S --> H2S?

    1. Asulfur reduction
    2. Bsulfur oxidation
    3. Cmineralization
76. 76Which of the following is the process of H2S --> S?

    1. Asulfur oxidation
    2. Bsulfur reduction
    3. Cmineralization
77. 77Which of the following is the process of organic S --> H2S?

    1. Asulfur reduction
    2. Bsulfur oxidation
    3. Cmineralization
78. 78Which mycobacteria is a free living water bacteria?

    1. Amycobact marinum
    2. Bmycobact tubercul
    3. Cmycobact leprae
79. 79[blank_start]Mycetocytes[blank_end] or bacteriocytes are the special cell types in insects that allow symbiosis with emdosymbionts.

    1. AMycetocytes
80. 80(Reprod parasitism) Which of the following occurs when the embryos of infected male and uninfected female become inviable?

    1. Acytoplasmic incompatibility
    2. Bfeminization
    3. Cmale killing
    4. Dpartheogenesis
81. 81(Reprod parasitism) Which of the following occurs when male offsprings are forced to express female hormones?

    1. Acytoplasmic incompatibility
    2. Bfeminization
    3. Cmale killing
    4. Dparthenogenesis
82. 82(Reprod parasitism) Which of the following occurs when male embryos are killed in an environment where resources are scarce?

    1. Acytoplasmic incompatibility
    2. Bfeminization
    3. Cparthenogenesis
    4. Dmale killing
83. 83(Reprod parasitism) Which of the following occurs when unfertilized embryos are made to duplicate their gene to become female?

    1. Acytoplasmic incompatibility
    2. Bmale killing
    3. Cfeminization
    4. Dparthenogenesis
84. 84Mitochondria and chloroplasts use [blank_start]N-formylmethionine[blank_end] as the initial amino acid, which is an evidence for the endosymbiotic theory.

    1. AN-formylmethionine

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Bachelors MGY377 Quiz on MGY377 - 1, created by try2bangel on 05/10/2015.

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Created on 5 Oct 2015 · updated on 19 Feb 2016

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