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Purines and pyrimidines play crucial roles in cellular energy systems signaling and in the production of DNA and RNA. Purines and pyrimidines can either be synthesized de novo or from normal catabolism, via a salvage pathway. Uric acid is the end product of the purine catabolism, and Citric Acid cycle intermediates are the products of pyrimidine catabolism.
question:* What happens when there are errors in the metabolism of purines and/or pyrimidines?* How is the body affected?* What kinds of errors can affect purine and pyrimidine metabolism? How do these errors affect these two processes?
Give examples of potential environmental impact. Give at least two references in addition to your text in support of your position. Be sure to cite your sources including your text using APA style and respond to at least two of your classmates' posti..
Explain the hypothetical model of the process of cell-wall expansion.
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Determine the possible DNA sequences that produced the four amino acids in the molecules
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You had your flu shot but still got the flu. Use the knowledge of immunology to provide two explanations for this development.
73.7 mL of stock ethanol was added to 26.3 mL of distilled H20 to generate a 70% ethanol solution. What was the concentration of the initial stock ethanol?
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