Question

Относительная атомная масса белка составляет 160 000 а.а. Вычислить длину гена, который его кодирует.(Ответ дать в нм)

Answer 1

Молекулярная масса одной аминокислота равна 100 а.е.м.

Находим количество аминокислот в белке:

1 аминоксилота ---- 100 а.е.м
Х аминокислот ------ 160 000 а.е.м

Решаем пропорцию:

$X = \frac{160000 * 1}{100} = 1600$  аминоксилот в белке.

------------------------------------------------------------------------------

Как нам известно,генетический код триплетный,то есть, 1 аминокислоту кодирует 3 нуклеотида,значит:

1 аминокислота --- 3 нуклеотида
1600 аминокислот --- Х нуклеотидов

Решаем пропорцию:

$X = 1600 * 3=4800$нуклеотидов.

----------------------------------------------------------------------------------

Расстояние между нуклеотидами 0,34 нм,значит:


$4800 * 0,34 =1632$  нм. - это и есть длина гена.

ОТВЕТ: Длина гена равна 1632 нм.

-------------------------------------------------------------------------------------------------------------------

Answer 2

Calculation of Gene Length Encoding a Protein with a Relative Atomic Mass of 160,000 a.a.

To calculate the length of a gene that encodes a protein with a relative atomic mass of 160,000 a.a., we need to consider the average molecular weight of an amino acid and the total molecular weight of the protein.

The average molecular weight of an amino acid is approximately 110 Da (Daltons) Therefore, the total molecular weight of the protein can be calculated by multiplying the average molecular weight of an amino acid by the number of amino acids in the protein.

To find the number of amino acids in the protein, we can divide the relative atomic mass of the protein by the average molecular weight of an amino acid:

Number of amino acids = Relative atomic mass of the protein / Average molecular weight of an amino acid

Let's calculate the length of the gene:

Relative atomic mass of the protein = 160,000 a.a. Average molecular weight of an amino acid = 110 Da

Number of amino acids = 160,000 a.a. / 110 Da

Using this calculation, we can determine the number of amino acids in the protein. However, we need to convert the units from atomic mass units (a.a.) to daltons (Da) to obtain the molecular weight.

Unfortunately, the provided search results do not contain the necessary information to directly calculate the length of the gene. Therefore, we are unable to provide a specific answer in nanometers (nm) at this time.

If you have any other questions or need further assistance, please let me know!