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B6 quiz

Ritika Mehta 14 perguntas 5,0 (1 avaliação)

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Perguntas do quiz (14)

  1. 1[blank_start]Genetic Engineering[blank_end] is the process of taking a [blank_start]gene[blank_end] from one species and [blank_start]splicing[blank_end] it into another species
    1. Agene
    2. Bsplicing
    3. CGenetic Engineering
  2. 2What is the definition of Transgenic?Imagem da pergunta 2
    1. AContains genes from more than 1 species
  3. 31) [blank_start]Insulin Production[blank_end] gene located in healthy human
    2) Gene is cut out using [blank_start]restriction endonuclease[blank_end] enzymes
    3) Some bacteria contain rings of DNA called [blank_start]plasmid[blank_end]. These are [blank_start]vectors[blank_end]. This is removed from a suitable bacterium.
    4) The [blank_start]plasmid[blank_end] is cut open using the same [blank_start]restriction[blank_end] enzymes as before
    5) Insulin-producing gene is then [blank_start]spliced[blank_end] into the plasmid using an [blank_start]enzyme[blank_end] called [blank_start]DNA ligase[blank_end].
    6) The recombinant DNA [blank_start]plasmid[blank_end] is inserted back into a [blank_start]bacterium[blank_end]
    7) This bacterium now is a [blank_start]GMO[blank_end] and will [blank_start]express[blank_end] the gene and produce [blank_start]insulin protein[blank_end]
    8) As bacterium [blank_start]reproduces[blank_end], more and more is produced. In order to [blank_start]maximise production[blank_end], [blank_start]GM[blank_end] bacteria are placed in a [blank_start]fermenter[blank_end] where [blank_start]conditions[blank_end] are closely monitored.
    1. AInsulin Production
    2. Brestriction endonuclease
    3. Cplasmid
    4. Dvectors
    5. Eplasmid
    6. Frestriction
    7. Gspliced
    8. Henzyme
    9. IDNA ligase
    10. Jplasmid
    11. Kbacterium
    12. LGMO
    13. Mexpress
    14. Ninsulin protein
    15. Oreproduces
    16. Pmaximise production
    17. Qfermenter
    18. RGM
    19. Sconditions
  4. 4What is yoghurt?
    1. AFermented Milk
    2. BLactobacillus being killed
    3. CMilk and water juice
    4. DSugar and yeast fermented
  5. 5Lactose ––> Lactic acid + energy
    What does lactic acid do?
    1. ACauses yoghurt to become white
    2. BDecreases the pH
    3. CMakes the milk sweet
    4. DSours the milk
    5. EMilk coagulates
    6. FCauses temperature to increase
    7. GCauses enzymes activity of milk to decrease
    8. HMakes sour-tasting yoghurt
  6. 6[blank_start]Sterilised[blank_end] milk is used to avoid the presence of unwanted [blank_start]bacteria[blank_end]. High temperatures kill the bacteria.
    The milk is cooled to [blank_start]40-45ºC[blank_end] - which is the optimum temperature for [blank_start]enzymes[blank_end].
    The enzymes from bacteria convert milk sugar ([blank_start]lactose[blank_end]) into [blank_start]lactic acid[blank_end]. Which makes the milk [blank_start]sour[blank_end] and makes the product [blank_start]semi-solid[blank_end].
    1. ASterilised
    2. Bbacteria
    3. C40-45ºC
    4. D80 ºC
    5. Eenzymes
    6. Fcats
    7. GBacterial roots
    8. Hlactose
    9. ICellulose
    10. JChitin
    11. Klactic acid
    12. LHydrochloric acid
    13. MCelical acid
    14. Nsour
    15. Osweet
    16. Pbitter
    17. Qwhite
    18. Rhard
    19. Ssemi-solid
    20. Tsoft
    21. Uyellow
  7. 7Yeast cells contain enzymes that convert sugars into alcohol.
    1. AVerdadeiro
    2. BFalso
  8. 8Yeast cells convert ethanol into sugar.
    1. AVerdadeiro
    2. BFalso
  9. 9What is the process of producing the drink, beer called? What are the conditions needed?
    1. AFermentation, aerobic respiration
    2. BFermentation, all kinds of respiration
    3. CFermentation, anaerobic respiration
    4. DCoagulate, anaerobic respiration
    5. EMaking beer, aerobic respiration
  10. 101) Barley grains (containing [blank_start]starch[blank_end]) are warmed with water to germinate. They produce amylase which breaks starch into maltose.
    2) Barley is boiled with water to release [blank_start]sugar[blank_end]
    3) Hops are added for [blank_start]flavour[blank_end]
    4) [blank_start]Yeast[blank_end] is added and [blank_start]enzymes[blank_end] in this convert sugar to alcohol - [blank_start]fermentation[blank_end]
    5) Beer is usually [blank_start]filtered[blank_end] and the yeast is [blank_start]recycled[blank_end] to make more beer.
    1. Astarch
    2. Bsugar
    3. Cflavour
    4. Dcolouring
    5. Eenzymes
    6. FYeast
    7. Gmeat
    8. Hmore sugar
    9. Ifermentation
    10. Jfiltered
    11. Krecycled
    12. Lthrown away
    13. Mcatched

Informações

Descrição
IGCSE Biology Quiz sobre B6 quiz, criado por Ritika Mehta em 09-04-2019.
Idioma
English
Visualizações
73
Avaliação
5,0 de 5 · 1 avaliação
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