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Biochemistry Task

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Biochemistry Task 1

Shauna Davis  

000541560

May 14, 2016

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Draw a DNA Ligase diagram. If you prefer, you can draw a single DNA replication diagram that includes the components of the DNA ligase diagram on your DNA replication diagram.  

 

 

[pic 1] 

 

(Origins, 2016)

 

 

1. Draw a DNA Replication diagram. Clearly label each component of the diagram (see lists) and provide a brief explanations (5 or so words) for each enzyme as part of their label.

 

[pic 2]

(DNA Rep, 2013)

  1. Draw a diagram that shows the role of mRNA in Transcription and Translation. Clearly label each component of the diagram (see lists) and provide a brief explanations (5 or so words) for each enzyme as part of their label. Also, be sure you clearly show where each process takes place in the cell

[pic 3] 

 

(BioCoach, 2011)

 

 

 

 

 

  1. Explain in your own words how the Death Cap poison works. This is just a paragraph or two. Be sure to include answers to all of the following questions in your response: 
  • What is the name of the toxin?
  • Which enzyme is affected by it?
  • Which downstream processes are affected? What are the results of these processes being affected? (There are two of them – think about your mRNA diagram.)
  • What happens to the cell and the affected organs?  

         An extremely poisonous toxin known as the Death Cap poison is a serious and even deadly poison that is putting mushroom lovers at risk. By ingesting the unsuspecting mushroom with the toxin Amanitin Phalliodes, cells in the body become destroyed and acute liver failure can occur. The Amanitin interferes with the process by which the DNA transcription and translation occurs. This deadly toxin achieves this by suppressing the function of RNA polymerase. Normally RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence. Without functional RNA polymerase, the body cannot produce mRNA thus prohibiting protein development. Once this is accomplished, cell begins to breakdown. The toxin is introduced to the body by ingestion, circulated through the kidneys, and ultimately distributed throughout the bloodstream potentially resulting in organ failure and even in death.

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