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Which one of the following pairs is correctly matched with regard to the codon and the amino acid coded by it?
- a)AAA-Lysine
- b)AUG-Cysteine
- c)UUA-Valine
- d)CCC-Alanine
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which one of the following pairs is correctly matched with regard to t...
A set of three nucleotide bases specify particular amino acid; the set is called as triplet codon. The triplet "UUA" codes for leucine while valine is encoded by GUA, GUG, GUC, GUU; option A is wrong. The triplet "AAA" codes for lysine; option B is right. The triplet "AUG" codes for methionine while cysteine is encoded by UGU and UGC; option C is wrong. The triplet "CCC" codes for proline while alanine is encoded by GCA, GCC, GCG, GCU;
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Which one of the following pairs is correctly matched with regard to t...
Understanding Codons and Amino Acids
Codons are sequences of three nucleotides in mRNA that correspond to specific amino acids during protein synthesis. Each codon is unique and codes for a particular amino acid, which is essential for building proteins. Let's break down the options provided in the question.
Correct Match: AAA - Lysine
- Codon AAA: This codon is found in the genetic code and specifically codes for the amino acid Lysine.
- Significance of Lysine: Lysine is an essential amino acid, meaning it cannot be synthesized by the body and must be obtained through diet.
Incorrect Matches Explained
- AUG - Cysteine:
- AUG is actually the start codon that codes for Methionine, not Cysteine.
- UUA - Valine:
- UUA codes for Leucine, not Valine.
- CCC - Alanine:
- CCC codes for Proline, not Alanine.
Conclusion
Among the given options, only AAA - Lysine is accurately matched. The understanding of codons and their corresponding amino acids is crucial in molecular biology and genetics, especially for exams like NEET. Familiarity with the genetic code chart can greatly aid in answering such questions correctly.
Codons are sequences of three nucleotides in mRNA that correspond to specific amino acids during protein synthesis. Each codon is unique and codes for a particular amino acid, which is essential for building proteins. Let's break down the options provided in the question.
Correct Match: AAA - Lysine
- Codon AAA: This codon is found in the genetic code and specifically codes for the amino acid Lysine.
- Significance of Lysine: Lysine is an essential amino acid, meaning it cannot be synthesized by the body and must be obtained through diet.
Incorrect Matches Explained
- AUG - Cysteine:
- AUG is actually the start codon that codes for Methionine, not Cysteine.
- UUA - Valine:
- UUA codes for Leucine, not Valine.
- CCC - Alanine:
- CCC codes for Proline, not Alanine.
Conclusion
Among the given options, only AAA - Lysine is accurately matched. The understanding of codons and their corresponding amino acids is crucial in molecular biology and genetics, especially for exams like NEET. Familiarity with the genetic code chart can greatly aid in answering such questions correctly.
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