Question

Если содержание остатков тимина (от общего числа остатков) ДНК составляет 20%, то содержание гуанина составит Помогите​

Answer 1

Ответ:

    Гуанин - 30%

    Цитозин - 30%

    Аденин - 20%

    Тимин - 20%

Объяснение:

  За правилом Чаргаффа А=Т и Г=Ц

Получается что если Т составляет 20%, то и А тоже будет 20%

    20%+20%=40% составляют Т и А вместе

Получаем:

    100%-40%=60% составляют Г и Ц

Значит:

    60:2=30% составляют Г и Ц по отдельности

Answer 2

Calculating the Content of Guanine in DNA

To calculate the content of guanine in DNA when the thymine content is 20%, we can use the fact that in DNA, the amount of adenine is equal to the amount of thymine, and the amount of cytosine is equal to the amount of guanine.

Given that the thymine content is 20%, we can calculate the guanine content using the following steps:

1. Calculate the total percentage of thymine and adenine: - Since adenine pairs with thymine, the total percentage of thymine and adenine is 20% (thymine) + 20% (adenine) = 40%.

2. Calculate the remaining percentage for cytosine and guanine: - Since cytosine pairs with guanine, the remaining percentage for cytosine and guanine is 100% - 40% = 60%.

3. Distribute the remaining percentage equally between cytosine and guanine: - Since cytosine and guanine are present in equal amounts, each will be half of the remaining percentage, which is 60% / 2 = 30%.

Therefore, the content of guanine in DNA will be 30%.

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