Question

Фрагмент молекул ДНК содержит 280 остатков цитидило-вых нуклеотидов, что составляет 14 % от общего количества нуклео-тидов. Определите длину данного фрагмента ДНК.

Answer 1

 280- 14%
  х  -100%
х=280*100/14=2000 нуклеотидов всего
длина одного нуклеотида равна 0,34 нм.
2000 * 0,34=680нм
Ответ: длина фрагмента ДНК равна 680нм.

Answer 2

Calculating the Length of the DNA Fragment

To determine the length of the given DNA fragment, we can use the information provided about the percentage of cytidine nucleotides in the fragment.

The given information states that the fragment contains 14% of the total nucleotides as cytidine nucleotides. To calculate the length of the DNA fragment, we can use the following formula:

Length of DNA fragment = (Total number of nucleotides / Percentage of cytidine nucleotides) * 100

Using the given information, we can calculate the length of the DNA fragment:

Length of DNA fragment = (Total number of nucleotides / 14) * 100

Now, let's calculate the length of the DNA fragment using the provided information.

Calculation

Using the provided information, we have: - Percentage of cytidine nucleotides: 14%

Using the formula: Length of DNA fragment = (Total number of nucleotides / 14) * 100

We can calculate the length of the DNA fragment based on the given percentage of cytidine nucleotides.

Result

The length of the DNA fragment can be calculated as a multiple of the total number of nucleotides divided by 14. However, the specific total number of nucleotides is not provided in the given information, so the exact length of the DNA fragment cannot be determined without this information.

Therefore, based on the information provided, the specific length of the DNA fragment cannot be determined without knowing the total number of nucleotides in the fragment.

If you have additional information about the total number of nucleotides in the DNA fragment, please feel free to provide it, and I can assist you further in calculating the length of the fragment.