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Sagot :
To determine the sequence of amino acids produced from the given mRNA strand, we need to follow a step-by-step process:
1. Identify the mRNA strand:
[tex]\[ \text{CAUGGUGGCUACGGG} \][/tex]
2. Split the mRNA strand into codons: Codons are groups of three nucleotides. We split the given strand into the following codons:
[tex]\[ \text{CAU} | \text{GGU} | \text{GGC} | \text{UAC} | \text{GGG} \][/tex]
3. Translate each codon into its corresponding amino acid using the provided codon-to-amino-acid table:
- [tex]\(\text{CAU} \rightarrow \text{Histidine}\)[/tex]
- [tex]\(\text{GGU} \rightarrow \text{Glycine}\)[/tex]
- [tex]\(\text{GGC} \rightarrow \text{Glycine}\)[/tex]
- [tex]\(\text{UAC} \rightarrow \text{Tyrosine}\)[/tex]
- [tex]\(\text{GGG} \rightarrow \text{Glycine}\)[/tex]
4. Combine the identified amino acids in the correct order:
[tex]\[ \text{Histidine} \rightarrow \text{Glycine} \rightarrow \text{Glycine} \rightarrow \text{Tyrosine} \rightarrow \text{Glycine} \][/tex]
Therefore, the sequence of amino acids produced from the given mRNA strand is:
[tex]\[ \text{Histidine-Glycine-Glycine-Tyrosine-Glycine} \][/tex]
Considering the options provided:
- A. Glycine-histidine-glycine-glycine - Incorrect
- B. Glycine-histidine-histidine-tyrosine histidine - Incorrect
- C. Histidine-glycine-glycine-glycine - Incorrect
- D. Histidine-glycine-glycine-tyrosine-glycine - Correct
Thus, the correct answer is:
[tex]\[ \boxed{\text{D. Histidine-glycine-glycine-tyrosine-glycine}} \][/tex]
1. Identify the mRNA strand:
[tex]\[ \text{CAUGGUGGCUACGGG} \][/tex]
2. Split the mRNA strand into codons: Codons are groups of three nucleotides. We split the given strand into the following codons:
[tex]\[ \text{CAU} | \text{GGU} | \text{GGC} | \text{UAC} | \text{GGG} \][/tex]
3. Translate each codon into its corresponding amino acid using the provided codon-to-amino-acid table:
- [tex]\(\text{CAU} \rightarrow \text{Histidine}\)[/tex]
- [tex]\(\text{GGU} \rightarrow \text{Glycine}\)[/tex]
- [tex]\(\text{GGC} \rightarrow \text{Glycine}\)[/tex]
- [tex]\(\text{UAC} \rightarrow \text{Tyrosine}\)[/tex]
- [tex]\(\text{GGG} \rightarrow \text{Glycine}\)[/tex]
4. Combine the identified amino acids in the correct order:
[tex]\[ \text{Histidine} \rightarrow \text{Glycine} \rightarrow \text{Glycine} \rightarrow \text{Tyrosine} \rightarrow \text{Glycine} \][/tex]
Therefore, the sequence of amino acids produced from the given mRNA strand is:
[tex]\[ \text{Histidine-Glycine-Glycine-Tyrosine-Glycine} \][/tex]
Considering the options provided:
- A. Glycine-histidine-glycine-glycine - Incorrect
- B. Glycine-histidine-histidine-tyrosine histidine - Incorrect
- C. Histidine-glycine-glycine-glycine - Incorrect
- D. Histidine-glycine-glycine-tyrosine-glycine - Correct
Thus, the correct answer is:
[tex]\[ \boxed{\text{D. Histidine-glycine-glycine-tyrosine-glycine}} \][/tex]
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