If DNA codes for mRNA and mRNA codes for protein, then how can the same DNA sequence generate different proteins? What are the 3 tRNA sites on the small ribosomal subunit (just abbreviations)? What is the order of tRNA entrance and exit through the ribosome?
If DNA codes for mRNA and mRNA codes for protein, then how can the same DNA sequence generate different proteins?
What are the 3 tRNA sites on the small ribosomal subunit (just abbreviations)? What is the order of tRNA entrance and exit through the ribosome?
If DNA codes for mRNA and mRNA codes for protein, then how can the same DNA sequence generate different proteins?
The processing or splicing reaction of the mRNA during the post transcription modification generates different fragments of mRNA , which on translation generates different proteins.
In prokaryotic organisms most of the genes coding for the proteins whose function are related ie the different enzymes of the same meatbolic pathway are grouped in clusters . The complete gene cluster is transcribed from a single promoter into a single mRNA called the polycystronic mRNA, then sequentially translated by the ribosomes into each of the individual Proteins. This form of the organization is known as the operons .
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