In a DNA molecule, nucleotides with guanine make up 30% of the total number.
| August 1, 2021 | education
In a DNA molecule, nucleotides with guanine make up 30% of the total number. How many nucleotides with thymine are in this molecule.
According to the principle of complementarity, the G content in DNA is equal to the C content.
G = C = 30%.
G + C = 60%.
The Adenine content is equal to the Thymine content:
A + T = 100% -60% = 40% – their total content in the molecule.
A = T = 40% / 2 = 20%.
Answer: nucleotides with Thymine in this DNA – 20%.
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