Transcription = DNA → RNA
Translation = RNA → protein
Translation = RNA → protein
TRANSCRIPTION
The first step of transcription is called pre-initiation. RNA polymerase and cofactors bind to DNA and unwind
it, creating an initiation bubble. This space grants RNA polymerase admission to a single strand of the DNA molecule.RNA polymerase must clear the supporter once the first bond has been created. Approximately 23 nucleotides must be created before RNA polymerase loses its tendency to slip away and can release the RNA transcript too early. One strand of DNA act as the template for RNA synthesis, but several rounds of transcription may occur so that many copies of a gene may be produced. Termination is the final step of transcription. Termination results in the
release of the newly created RNA from the elongation complex.
it, creating an initiation bubble. This space grants RNA polymerase admission to a single strand of the DNA molecule.RNA polymerase must clear the supporter once the first bond has been created. Approximately 23 nucleotides must be created before RNA polymerase loses its tendency to slip away and can release the RNA transcript too early. One strand of DNA act as the template for RNA synthesis, but several rounds of transcription may occur so that many copies of a gene may be produced. Termination is the final step of transcription. Termination results in the
release of the newly created RNA from the elongation complex.
TRANSLATION
Translation occurs when the mRNA strand moves out of the nucleus and into the cytoplasm. At this position mRNA, rRNA and tRNA all come together. The rRNA is made up of two parts, the large ribosomal unit and the small ribosomal unit. On the large ribosomal unit are two sites-the A site and the P site. These will be the sites of polypeptide synthesis and elongation. The rRNA is kind of like the factory of translation and if rRNA is the factory than tRNA is the worker. The tRNA molecules have an amino acid (the monomer of proteins) attachment site and it also carries ananticodon. The anticodon is the complementary nucleotide sequence to a given codon. The tRNA will pick up the appropriate amino acid in the cytoplasm that is coded for by the mRNA codon that its anticodon matches.