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Quiz

QUIZ - Topic 2

Usuário eliminado 13 perguntas Atualizado em 20 fev 2020

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Perguntas do quiz (13)

  1. 1What are the components of a DNA molecule?
    1. Adeoxyribose, a phosphate and one of the bases: adenine, cytosine, guanine or thymine
    2. Bribose, a phosphate, and one of the bases: adenine, cytosine, guanine or uracil
    3. CDeoxyribose, a nitrate and one of the bases: adenine, cytosine, guanine or thymine
    4. DRibose, a nitrate and one of the bases: adenine, cytosine, guanine or thymine
  2. 2What type of bond holds the complementary base pairs together in a double helix of DNA?
    1. ACovalent bonds
    2. BPeptide bonds
    3. CGlycosidic bonds
    4. DHydrogen bonds
  3. 3What enzyme is used in transcription but not in translation?
    1. ADNA polymerase
    2. BHelicase
    3. CProtease
    4. DRNA polymerase
  4. 4A certain gene in a bacterium codes for a polypeptide that is 120 amino acids long. How many nucleotides are needed in the mRNA to code for this polypeptide?
    1. A30
    2. B40
    3. C360
    4. D480
  5. 5What is responsible for the conservation of the base sequence during DNA replication?
    1. ADNA polymerase working on one strand at the same time.
    2. BUnpaired bases always attracting their complementary nucleotides.
    3. CDNA helicase and polymerase are complementary.
    4. DBoth strands are identical to each other.
  6. 6During the process of replication, which bond(s) in the diagram of DNA below is/are broken?Imagem da pergunta 6
    1. A3
    2. B4/5
    3. C1,2,6,7
    4. D1,7,4,5
  7. 7How would the following DNA sequence, ACGTTGCATGGCA, be transcribed?
    1. AUGCAACGUACCGU
    2. BTGCAACGTACCGT
    3. CACGTTGCATGGCA
    4. DACGUUGCAUGGCA
  8. 8The base sequence is the store of information.
    1. AVerdadeiro
    2. BFalso
  9. 9Nitrogenous bases have two rings.
    1. AVerdadeiro
    2. BFalso
  10. 10The base-phosphate backbone ensures that the store is stable and secure.
    1. AVerdadeiro
    2. BFalso

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O usuário eliminou as informações de disciplina Quiz sobre QUIZ - Topic 2 , criado por Usuário eliminado em 20-02-2020.
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Usuário eliminado
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English
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10
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Criado em 20 fev 2020 · atualizado em 20 fev 2020
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