Câu hỏi
22. Cho đoan trình tự nucleotide ở mạch khuôn của gene như sau:-A-G-G -G-T-T-G -C-T-C-C-T -. Số codon trong bản phiên mã của đoạn gene trên là bao nhiêu?(2.5 Points) Enter your answer
Giải pháp
4.2
(215 Phiếu)
Quỳnh Anh
thầy · Hướng dẫn 5 năm
Trả lời
10
Giải thích
The question is asking for the number of codons in the mRNA transcript of the given DNA sequence. A codon is a sequence of three nucleotides that codes for a specific amino acid in protein synthesis. The DNA sequence provided is -A-G-G-G-T-T-G-C-T-C-C-T-. To find the number of codons, we divide the total number of nucleotides by 3 (since one codon consists of three nucleotides). The DNA sequence has 30 nucleotides, so there are 30/3 = 10 codons in the mRNA transcript. Note that the mRNA transcript will have the same sequence of codons as the DNA sequence, except that the nucleotide Thymine (T) in DNA is replaced by Uracil (U) in RNA.