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Erwin Chargaff proposed two main rules in his lifetime which were appropriately named Chargaff's rules. The first and best known achievement was to show that in natural DNA the number of guanine units equals the number of cytosine units and the number of adenine units equals the number of thymine units.
The second of Chargaff's rules is that the composition of DNA varies from one species to another, in particular in the relative amounts of A, G, T, and C bases. Such evidence of molecular diversity, which had been presumed absent from DNA, made DNA a more credible candidate for the genetic material than protein.
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∙ 11y ago
Erwin Chargaff contributed to the DNA puzzle by discovering that the amount of adenine (A) is equal to the amount of thymine (T), and the amount of cytosine (C) is equal to the amount of guanine (G) in DNA. This led to the discovery of Chargaff's rules, which provided important insights into the structure and function of DNA, ultimately leading to the development of the double helix model by Watson and Crick.
Mark Joseph San Luis
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According to chargaffs rules which nucleotide is always paired with adenine in a DNA molecule?
Chargaff's rules stated that the number of adenine units in a DNA segment were equal to the number of thymine units.
What contribution did phoebus levene make to the DNA story?
He didnt.
Who discovered that the percent of bases in DNA varies from organism to organism?
Erwin Chargaff - - By Porta Potty
Who discovered the amount of adenine in DNA is always equal the amount of thymine?
Erwin Chargaff
James Watson contribution?
James Watson discovered the structure of DNA with Francis Crick
According to chargaffs rules which nucleotide is always paired with adenine in a DNA molecule?
Chargaff's rules stated that the number of adenine units in a DNA segment were equal to the number of thymine units.
Why is chargaffs rule so important to DNA's ability to replicate itself accurately?
Every guanine has to pair with cytosine and every adenine has to pair with a thymine. If this wasn't a rule then DNA can't replicate itself and mutations would occur.
What contribution did Francis Crick make to the discover of the structure of DNA?
they described the structure of DNA
What contribution did phoebus levene make to the DNA story?
He didnt.
Who used sperm to conclude that the amounts of A T G and C are not the same in the DNA of all organisms?
Erwin Chargaff
Who discovered the amount of adenine in DNA is always equal the amount of thymine?
Erwin Chargaff
Who discovered that the percent of bases in DNA varies from organism to organism?
Erwin Chargaff - - By Porta Potty
What did Erwin Chargaff accomplish in his life?
Erwin Chargaff proposed two main rules in his lifetime which were appropriately named Chargaff's rules. The first and best known achievement was to show that in natural DNA the number of guanine units equals the number of cytosine units and the number of adenine units equals the number of thymine units. The second of Chargaff's rules is that the composition of DNA varies from one species to another, in particular in the relative amounts of A, G, T, and C bases. Such evidence of molecular diversity, which had been presumed absent from DNA, made DNA a more credible candidate for the genetic material than protein.
In researching the structure of DNA Erwin chargaff found the amount of adenine always equals the amount of which other base?
thymine
In researching the structure of DNa erwin chargaff found the amount of adenine always equal the amount of which other base?
thymine
In researching the structure of DNA Erwin Chargaff found the amount of adenine always equaled the amount of which other base?
thymine
What was the contribution of Stanley Cohen?
Stanley Cohen was the one who discovered Recombinant DNA
