Trong những phát biểu dưới đây về quá trình phiên mã của sinh vật, số phát biểu đúng về quá trình phiên mã của sinh vật nhân thực là

(1) chỉ có một mạch của gen tham gia vào quá trình phiên mã.

(2) enzim ARN polimeraza tổng hợp mARN theo chiều 5’ – 3’.

(3) mARN được tổng hợp đến đâu thì quá trình dịch mã diễn ra đến đó.

(4) diễn ra theo nguyên tắc bổ sung.

(5) đầu tiên tổng hợp các đoạn ARN ngắn, sau đó nối lại với nhau hình thành ARN hoàn chỉnh.             

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose one sentence that has the same meaning as the root one:

  He acts as though nothing matters to him.
  
  

• Choose one sentence that has the same meaning as the root one:

  Nancy isn’t used to walking so far.
  
  

• Choose one sentence that has the same meaning as the root one:

  She wanted to avoid an argument, so she said nothing.
  
  

• Choose one sentence that has the same meaning as the root one:

  My daughter is looking forward to seeing her friend.
  
  

• Choose one sentence that has the same meaning as the root one:

  Although she couldn't speak English, Ngoc decided to settle in Manchester.
  
  

• Choose one sentence that has the same meaning as the root one:

  She turned the radio on at 7.30. She was still listening to it when her mother came home at 9.00.
  
  

• Choose one sentence that has the same meaning as the root one:

  Maria eats very little so as not to put on weight.
  
  

• Choose one sentence that has the same meaning as the root one:

  What a pity I failed the entrance exam!
  
  

• Choose one sentence that has the same meaning as the root one:

  My suits needs to be cleaned before the interview but I’m too busy to do that.
  
  

• Choose one sentence that has the same meaning as the root one:

  No one present noticed anything strange.