Người ta sử dụng một chuỗi pôlinuclêôtit có = 4 làm khuôn để tống hợp nhân tạo một chuỗi pôlinuclêôtit bổ sung có chiều dài bằng chiều dài của chuỗi khuôn đó. Tính theo lí thuyết, tỉ lệ các loại nuclêôtit tự do cần cung cấp cho quá trình tổng hợp này là:  

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  ____________ a game in which two teams use their hands to hit a large ball backwards and forwards over a high net without allowing the ball to touch the ground.
  
  

• Choose a word that has different stress pattern:

  steady                 syndrome                   throughout                   tennis

• Choose a word that has different stress pattern:

  serious                     billion                   qualify                     amazing

• Choose a word that has different stress pattern:

  final                    football                       around                      famous

• Choose the best answer for the following sentence:

  The epidemic was so ____________ that the competition had to be cancelled.
  
  

• Choose the best answer for the following sentence:

  The from _____________ the first round will go into the quarter final.
   

• Choose the best answer for the following sentence:

  England has to win tonight’s _____________ match to go through to the next round of the competition.
   

• Choose the best answer for the following sentence:

  A / an _____________ is a prize, for example a gold cup, which is given to the winner of a competition or race.
  
  

• Choose the best answer for the following sentence:

  __________ 2002 World Cup was held in two ___________ Asian countries, Japan and Korea.
  
  

• Choose the best answer for the following sentence:

  Instruction should be given ____________________.