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प्रश्न
Very Short Answer Question:
Define term- codon and codogen.
उत्तर
Codon:
A sequence of three adjacent nucleotides in mRNA that codes for one amino acid are known as a codon.
Codogen:
It is the smallest possible sequence (triplet) of nucleotides present on the DNA strand which can specify one particular amino acid.
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संबंधित प्रश्न
Multiple Choice Question:
Transcription is the transfer of genetic information from _______.
Enlist the characteristics of genetic code.
Read the following statements and select the correct option.
- Structural genes in eukaryotes have interrupted non-coding sequences known as exons.
- The coding sequences or express sequences are defined as introns.
From the following identify the features of "Genetic code".
(i) It is a triplet or three letter code.
(ii) The code is overlapping.
(iii) The code is commaless.
(iv) The genetic code was deciphered by Watson and Crick.
Study the following sentences and select the correct option.
- Addition of one or two bases changes the combination of sequence in codons.
- Addition or deletion of single nucleotide changes the reading frame.
- The reading frame beyond the point of insertion of three bases remains unaltered.
Exon part of mRNAs codes for ______
Sequential order of nucleotides on template strand forming m-RNA synthesizing specific protein is given below. Based on it select the sequential t-RNA anticodon entering in the process of protein synthesis.
Template: TAC GAC AAC CAC TTA ATT
____________ carries the message for formation of polypeptide chain.
Initiation of polypeptide chain in protein synthesis is induced by:
Complete the above-given diagram of a transcription unit.
