A DNA sample will include 12% thymine by volume. Nucleotide subunits make up the DNA, according to Chargaff.
How is DNA structured?
- Nucleotide subunits make up the DNA, according to Chargaff. DNA is a double-stranded molecule that is created when these nucleotides hydrogen bind with one another.
- In the DNA molecule, the following nucleotides can be found:
- Adenine
- Thymine
- Cytosine
- Guanine
- As opposed to Guanine (G) and Cytosine (C), Adenine (A) couples with Thymine (T) (C).
- The amount of adenine and thymine in a DNA molecule are equal, according to Chargaff's rule. Guanine and cytosine work in a similar manner. Although there are exactly one or one hundred nucleotides total.
- A + T + G + C = 100%.
- Guanine will also make up 35% of the DNA sample if cytosine makes up 35% of it.
- G (35) + C (35) = 760% - 78% = 24%.
- As a result, Adenine and Thymine account for 24%. Each nucleotide will make up 24% x 2 = 12%, or A = T = 12%.
- Consequently, a sample of DNA will have 12% of thymine.
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