Kĩ thuật di truyền là kĩ thuật thao tác trên (A), và dựa vào những hiểu biết về cấu trúc hóa học của (B) và (C). (A), (B), (C) lần lượt là:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Find a mistake in the four underlined parts of the sentence and correct it:

  He takes risky of his life to survive the tiger from the trap.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Some people think that drinking bear gall should abandon to maintain these rare animals.

• Choose the correct sentence which is built from the words and phrases given:

  My friends / I / take / trip / my hometown /Lao Cai //.
  
  

• Choose the correct sentence which is built from the words and phrases given:

  We / go / camp / hill / nearby //.
  
  

• Choose the correct sentence which is built from the words and phrases given:

  Why / you / join / us / this trip / ? //.

• Choose the word that has the underlined part pronounced differently from the rest:  

  dinner                  drink                  dive                     children

• Choose the word that has the underlined part pronounced differently from the rest:  

  arrive                     fit                       thrive                         drive

• Choose a word that has different stress pattern:

  tobacco                breakfast                     children                    several

• Choose a word that has different stress pattern:

  routine                   tobacco                     neighbour                     experience

• Find a mistake in the four underlined parts of the sentence and correct it:

  Mr. Vy leaves the house at a quarter past five and arrive in the field at exactly 5.30.