Quiz:What Do You Know About Genes And DNA?

10 Questions | Total Attempts: 222

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Quiz:What Do You Know About Genes And DNA?

What do you know about Genes and DNA? In the quiz below you will be expected to answer the questions as best as you can be based on all that you have learned about Genes and DNA, the different types they exist in and their function in the human body. Do give it a try and take as much time as you need before you choose your answer.


Questions and Answers
  • 1. 
    We clone human genes to
    • A. 

      Define inherited genetic mutations

    • B. 

      Isolate functional genes

    • C. 

      Isolate genes with somatic mutations

    • D. 

      Define and understand cellular pathways and circuits

    • E. 

      All of the above

  • 2. 
    You can detect a single molecule of DNA using
    • A. 

      Northern blot

    • B. 

      Microarray

    • C. 

      FISH

    • D. 

      Southern blot

    • E. 

      PCR

  • 3. 
    Bacterial expression systems:
    • A. 

      Are smelly and expensive

    • B. 

      Lack enzymes to catalyze post-translational modifications

    • C. 

      Provide the only way to produce an active drug

    • D. 

      Are easy to screen by high throughput techniques

    • E. 

      Are used to develop vaccines

  • 4. 
    ____________ is used to clone cDNA and assess level of gene expression.
  • 5. 
    Factor VIII for hemophiliacs was produced using
    • A. 

      Bacteria

    • B. 

      Viruses

    • C. 

      Yeast

    • D. 

      Mammalian cells

    • E. 

      New biochemical techniques for synthesis of natural products

  • 6. 
    Less than _______ of the human genome encodes proteins
    • A. 

      50%

    • B. 

      25%

    • C. 

      80%

    • D. 

      5%

    • E. 

      2%

  • 7. 
    Genes are
    • A. 

      Spread equally throughout the genome

    • B. 

      Concentrated in random areas in the genome

    • C. 

      Equally distributed on all chromosomes

    • D. 

      All about the same size

  • 8. 
    G-CSF is produced using a _______________ expression system
  • 9. 
    Southern blots can detect
    • A. 

      Differences in mRNA

    • B. 

      All point mutations

    • C. 

      Only point mutations that alter restriction enzyme recognition sites

    • D. 

      Small deletions

    • E. 

      Expression of a gene in specific tissues or cells

  • 10. 
    An __________________ is a modified plasmid or virus carrying a gene or cDNA into a suitable host cell where it directs expression of the encoded protein