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ID 16429

Gallery 19: Erwin Chargaff, 1947

Gallery 19:  Erwin Chargaff, 1947
Description:
Erwin Chargaff was the first to accurately measure nucleotide amounts in DNA.
Keywords:
erwin chargaff, nucleotide, dna
Creative Commons License This work by Cold Spring Harbor Laboratory is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.

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Erwin Chargaff found that in DNA, the ratios of adenine (A) to thymine (T) and guanine (G) to cytosine (C) are equal. This parity is obvious in the final DNA structure.
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Erwin Chargaff talks about his name for Chargaff's ratios.
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16422. Animation 19: The DNA molecule is shaped like a twisted ladder.
James Watson and Francis Crick explain how they solved the structure of DNA. Erwin Chargaff explain how he measured the levels of each of the four nitrogenous bases.
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The work of Erwin Chargaff and how it contributed to the downfall of Levene's tetranucleotide theory.
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