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Essay heading: A.I.D.S
 
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Issue: Science
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Date added: April 17, 2003
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No of pages / words: 4 / 1062
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HIV DNA is called a provirus. Transcription - The viral DNA in the nucleus separates and creates messenger RNA (mRNA), using the cell's own enzymes. The mRNA contains the instructions for making new viral proteins. Translation - The mRNA is carried back out of the nucleus by the cell's enzymes...
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The virus then uses the cell's natural protein-making mechanisms to make long chains of viral proteins and enzymes. Assembly - RNA and viral enzymes gather at the edge of the cell. An enzyme, called protease, cuts the polypeptides into viral proteins. Budding - New HIV virus particles pinch out from the cell membrane and break away with a piece of the cell membrane surrounding them...
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nucleotide triplets:
In order for a student to score fifteen points, three or more points must have been from the discussion of changes in the code. A student was given one point for recognizing that an addition or deletion may alter a large portion of the resulting polypeptide...
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Cells
And lastly there are vacuoles which have a variety of storage functions. The plant cell is similar in most ways. The only really big differences between the plant cell and the animal cell are as follows...
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