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DNA.
Title: DNA.
Category: Science & Technology / Biology
Details: Words: 1119 | Pages: 4.8 (approximately 235 words/page)
DNA.
Extracting DNA from the Bacterium Escherichia coliIntroduction Deoxyribonucleic acid is contained in all
cells. The structure of DNA makes gene transmission possible. Since genes are segments of DNA, DNA
must be able to make exact copies of itself to enable thenext generation of cells to receive the same genes.
The DNA molecule looks like a twisted ladder. Each"side" is a chain of alternating phosphate and
deoxyribose sugar molecules. The "steps" are formed bybonded pairs …showed first 75 words of 1119 total…
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…showed last 75 words of 1119 total…white
andstringy, and there also was a considerable mass of DNA for so small of a sampling of bacteria.
Thusproving, that there is a great quantity of DNA in E.coli cells. It had great assymetry. Its length was
tremendous compared to its width. The length of the DNA molecule makes it very susceptible to splitting.
The DNA fibers can be fractured very easily, and because of its length, solutions !of DNA are noticeable
viscous.
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