Project #33278 - Assignment

Part A


Answer the following questions, in a total of 400 words.

  • Describe the structure of DNA and the steps of protein synthesis.
  • Describe the relationships between the following terms:
    • DNA
    • Chromatin material
    • Gene
    • Chromosome
  • Use the following gene in protein synthesis:
      • Show the mRNA.
      • Show the tRNA.
      • Name the amino acids that will be placed in the polypeptide chain.
  • A gene will direct the making of polypeptide chains, and polypeptide chains form proteins. All enzymes are proteins. Therefore, how would you explain carrying a gene for a trait that does not show up in the offspring?
  • In order for DNA to pass genetic information to the next generation, DNA must replicate successfully. Mistakes in replication could result in major problems in heredity.
    • Explain how DNA replicates.
    • Describe the formation of the leading strand and lagging strand and include the enzymes involved.
    • Why do the legs replicate differently?




The topic prompt:  "Are endangered species being traded illegally?"


Assignment Requirements:


*  Find a media piece from the web (video link, current event article, periodical, etc.) that discusses one animal in particular with the above prompt in mind.  

*  Write a 300 response/opinion/summary of the media piece with a working link to the media piece included (properly cited of course!).


Part C Just answer question No word count.


1) What is a genetic mutation you have heard about in the news recently that involves a change in the DNA molecule? Describe the mutation and why it involves a DNA molecule change.


2) What is the mechanism in the cell for turning a gene on or off?  




3) Individuals have unique DNA sequences that can be used to help solve crimes, identify diseases, and determine paternity. One possible prediction is that DNA will be used a means of identification in the future. What predictions would you make based on the technology you have reviewed in your reading materials? What problems do you foresee?


4)  What would you two think about a mandatory national DNA database?  A government held (theoretically in strict security) database of everyone's genetic profile.




Subject Science
Due By (Pacific Time) 06/16/2014 05:00 pm
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