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Which out of the following statements is incorrect?
- a)Genetic code is ambiguous.
- b)Genetic code is degenerate.
- c)Genetic code is universal.
- d)Genetic code is non-overlapping.
Correct answer is option 'A'. Can you explain this answer?
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Which out of the following statements is incorrect?a)Genetic code is a...
Since there are 64 triplet codons and only 20 amino acids, genetic code is non-ambiguous. Non-ambiguous code means that there is no ambiguity about a particular code. One codon specifies only one amino acid and not any other except GUG which normally codes for valine but in certain conditions it also codes for N-formyl methionine as initiation codon.
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Which out of the following statements is incorrect?a)Genetic code is a...
Incorrect Statement: Genetic code is ambiguous.
Explanation:
Genetic code refers to the set of rules by which the genetic information present in DNA or RNA is translated into proteins. It is a triplet code, which means that each sequence of three nucleotides (called codons) encodes for a specific amino acid. The genetic code is highly conserved and has the following characteristics:
1. Genetic code is universal: The same genetic code is used by almost all organisms on Earth, from bacteria to humans. This means that the same codons code for the same amino acids across different species.
2. Genetic code is degenerate: More than one codon can code for the same amino acid. For example, the amino acid leucine can be coded by six different codons (CUU, CUC, CUA, CUG, UUA, UUG).
3. Genetic code is non-overlapping: Each nucleotide is a part of only one codon and is not shared by the adjacent codon.
4. Genetic code is not ambiguous: Each codon codes for only one amino acid and there is no ambiguity in the translation process.
Therefore, option A is incorrect because genetic code is not ambiguous. Each codon codes for only one amino acid and there is no confusion or ambiguity in the translation process.
Explanation:
Genetic code refers to the set of rules by which the genetic information present in DNA or RNA is translated into proteins. It is a triplet code, which means that each sequence of three nucleotides (called codons) encodes for a specific amino acid. The genetic code is highly conserved and has the following characteristics:
1. Genetic code is universal: The same genetic code is used by almost all organisms on Earth, from bacteria to humans. This means that the same codons code for the same amino acids across different species.
2. Genetic code is degenerate: More than one codon can code for the same amino acid. For example, the amino acid leucine can be coded by six different codons (CUU, CUC, CUA, CUG, UUA, UUG).
3. Genetic code is non-overlapping: Each nucleotide is a part of only one codon and is not shared by the adjacent codon.
4. Genetic code is not ambiguous: Each codon codes for only one amino acid and there is no ambiguity in the translation process.
Therefore, option A is incorrect because genetic code is not ambiguous. Each codon codes for only one amino acid and there is no confusion or ambiguity in the translation process.
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