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Essay / Research Paper Abstract
An 8 page overview of cellular function. Concentrating on cellular function in viruses, the author utilizes RNA to illustrate the view that the cell is a supramolecular machine. Bibliography lists 10 sources.
Page Count:
8 pages (~225 words per page)
File: AM2_PPrnaCll.rtf
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Unformatted sample text from the term paper:
biologist Bruce Albert argues that cellular function is best understood by regarding cells as complex "supramolecular machines". Cellular function occurs through a complex interrelationship between the molecules, after all,
rather than through individual molecules. The view of the cell as a complex supramolecular machine is particularly apt in regard to RNA. Under this view RNA would be
ubiquitous throughout the cell and would carry out its function in association with a multiplicity of proteins. Indeed, this view seems correct when we analyze the many different function
of RHNA and how those functions are performed. To validate Alberts (1998) view of the cell as a supramolecular machine we have only
to look at the world of viruses. There are, of course, both RNA and DNA viruses. The mechanisms by which viral pathogens transform animal cells can differ significantly
between RNA and DNA viruses yet in both these mechanism validate Alberts (1998) view of the cell as a supramolecular machine. Structurally, both DNA and RNA viruses are similar,
but the way in which they replicate and effect transformation in cells varies, and it is this variation which makes the RNA viruses more successful and therefore more dangerous from
the point of view of the hosts. As Rybicki (2001) notes, viruses are classified into seven groups by nucleic acid type and replication
strategy. There are subdivisions within these groups, such as the negative stranded ssRNA viruses, which include the Ebola viruses, and rhabdoviruses which affect plant cells (Xiong 2001). Those viruses
whose cells do not contain enzymes which can replicate RNA, which in other words do not include a RNA/DNA template, utilize RNA replicase in order to manufacture an RNA template,
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