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Question
Answer the following question.
State the importance of a Genetic code in protein biosynthesis.
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Solution
The genetic code is a set of three different nucleotides taken at a time that code for a specific amino acid.
- A codon is a triplet. 3 4 = 64 (61 codons code for amino acids while 3 are stop codons)
- One codon codes for a single specific amino acid. Codons are unambiguous.
- Codons are degenerate since some amino acids are coded by more than one codon.
- The genetic code is universal. 1 codon codes for the same amino acid in all species.
- Codons are read continuously. They lack punctuation.
- AUG has dual functions - Codes for Methionine and acts as a start codon
RELATED QUESTIONS
Differentiate between the genetic codes given below:
Unambiguous and Universal
Differentiate between the genetic codes given below:
Degenerate and Initiator
Genetic code is ______.
The change of the light coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonarid) is due to ______.
Phenylalanine is a ______.
What would happen if in a gene encoding a polypeptide of so amino acid 25th (UAC) is match to UAA?
Frame shift mutations are caused by ______.
Statement I:
The codon ‘AUG’ codes for methionine and phenylalanine.
Statement II:
‘AAA’ and ‘AAG’ are both codons that code for the amino acid lysine.
In light of the above statements, choose the correct answer from the options given below.
There is only one possible sequence of amino acids when deduced from a given nucleotides. But multiple nucleotides sequence can be deduced from a single amino acid sequence. Explain this phenomena.
Discuss the process of translation in detail.
