Quiz Online Uji Nyali 2 Genome Anatomies

24 Pertanyaan | Total Attempts: 35

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Quiz Online Uji Nyali 2 Genome Anatomies

Apa kabar pembelajar sepenuh hati?... Met jumpa lagi nih di QUIZ Online kedua, topiknya adalah Anatomi Genom. Saya sangat berterima kasih seandainya kalian mau menulis kritik, saran, masukan, dan harapan kalian di kotak comment. Masukan dan kriktik akan membantu saya untuk bisa memberikan yang sesuai dan terbaik untuk kalian semua.Sumber: T.A Brown, 2002, GENOME


Questions and Answers
  • 1. 
    In the entire yeast genome there are only 239 introns, compared with over 300 000 in the human genome
    • A. 

      TRUE

    • B. 

      FALSE

  • 2. 
    A typical prokaryote the genome is contained in a single circular DNA molecule, localized within the _________
  • 3. 
    A usually circular piece of DNA often found in bacteria and some other types of cell is called_________
  • 4. 
    Although the basic physical structures of all eukaryotic nuclear genomes are similar, BUT the genome size is very different in different organisms.
    • A. 

      TRUE

    • B. 

      FALSE

  • 5. 
    This is genome size, the smallest eukaryotic genomes being less than 10 bp in length, and the largest over 100 000 bp.
    • A. 

      TRUE

    • B. 

      FALSE

  • 6. 
    A 50-kb segment of the yeast genome, which comes from chromosome III, contains more genes than the human segment
    • A. 

  • 7. 
    A 50-kb segment of the yeast genome, which comes from chromosome III, relatively few of the yeast genes are discontinuous
    • A. 

      TRUE

    • B. 

      FALSE

  • 8. 
    A 50-kb segment of the yeast genome, which comes from chromosome III, There are more genome-wide repeats than the human segment
    • A. 

      TRUE

    • B. 

      FALSE

  • 9. 
    Genes carried by plasmids are useful, coding for properties such as antibiotic resistance or the ability to utilize complex compounds such as toluene as a carbon source.
    • A. 

      TRUE

    • B. 

      FALSE

  • 10. 
    There are various ways to categorize the genes in a eukaryotic genome. One possibility is to classify the genes according to ________
  • 11. 
    In E. coli, the supercoiling is thought to be generated and controlled by  enzymes __________
    • A. 

      DNA gyrase

    • B. 

      DNA topoisomerase I

    • C. 

      DNA polymerase I

    • D. 

      A and B

    • E. 

      A, B, and C

  • 12. 
    Repetitive DNA can be classified into those that are clustered into tandem arrays and those that are dispersed around the genome.
    • A. 

      TRUE

    • B. 

      FALSE

  • 13. 
    Tandemly repeated DNA is a common feature of prokaryotic genomes but is found much less frequently in eukaryotes
    • A. 

      TRUE

    • B. 

      FALSE

  • 14. 
    This type of repeat is also called ___________ because DNA fragments containing tandemly repeated sequences form ‘satellite' bands when genomic DNA is fractionated by density gradient centrifugation
  • 15. 
    Minisatellites form clusters up to 20 kb in length, with repeat units up to 25 bp.
    • A. 

      TRUE

    • B. 

      FALSE

  • 16. 
    Microsatellite form short clusters, usually < 150 bp, and the repeat unit is usually 13 bp or less.
    • A. 

      TRUE

    • B. 

      FALSE

  • 17. 
    Telomeric DNA, which in humans comprises hundreds of copies of the motif 5′-TTAGGG-3′, is an example of a minisatellite
    • A. 

      TRUE

    • B. 

      FALSE

  • 18. 
    Humans alive today have exactly the same combination of microsatellite length variants.
    • A. 

      TRUE

    • B. 

      FALSE

  • 19. 
    Interspersed repeats have arisen by transposition
    • A. 

      TRUE

    • B. 

      FALSE

  • 20. 
    The modes of transposition that involves an RNA intermediate is called _________
  • 21. 
    A genetic element that transposes via an RNA intermediate
    • A. 

      Retroelement

    • B. 

      Retroposon

    • C. 

      Retrovirus

    • D. 

      Retroviral-like element (RTVL)

    • E. 

      Reverse transcriptase

  • 22. 
    A retroelement that does not have LTRs.
    • A. 

      Retroelement

    • B. 

      Retroposon

    • C. 

      DNA transposon

    • D. 

      Retroviral-like element (RTVL)

    • E. 

      Reverse transcriptase

  • 23. 
    In eukaryotes, DNA transposons are less common than retrotransposons.
    • A. 

      TRUE

    • B. 

      FALSE

  • 24. 
    A transposon whose transposition mechanism does not involve an RNA intermediate.
    • A. 

      Retroposon

    • B. 

      DNA transposon

    • C. 

      Retroelement

    • D. 

      Retrovirus

    • E. 

      Retroelement

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