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Essay example - The Discovery of the Structure of DNA
Pages 12 (3012 words)
Of all the things which can define a human being, nothing defines them greater than the inner makeup of their genetic design. It is that inner makeup which we can figure out who exactly we are as a species and how we went about evolving over time to become that way…
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DNA consists of two strands, each composed of certain sugars and phosphates. The two strands wind around each other in a spiral, much like the two sides of the ladder wind around each other. Linking the two strands together are certain chemical elements called amines or bases arranged in a particular pattern. The rungs of the rubber ladder would be like these chemical links," (Ciccarelli p.252).
An understanding of DNA is a fundamental necessity in understanding what it is that makes us who we are. Not the acts which we commit, but really who were imbedded in the core of ourselves. Ultimately, the genetic design of us as human beings is what truly the history book is as it comes to humans and what makes them who they are. Structural DNA is described as, "Some regions of chromosomes remain highly condensed, tightly coiled, and untranscribed throughout the cell cycle. Called constitutive heterochromatin, these portions tend to be localized around the centromere, or located near the ends of the chromosome, at the telomeres," (Johnson p.387).
After Rosalind Franklin's use of x-ray technology as it came to DNA, the world would be introduced to two gentlemen by the names of James Watson and Francis Crick. ...
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