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Protein synthesis is a very similar process for both prokaryotes and eukaryotes but there are some distinct differences. [1] Protein synthesis can be divided broadly into two phases: transcription and translation. During transcription, a section of DNA encoding a protein, known as a gene, is converted into a molecule called messenger RNA (mRNA).
A second version of the central dogma is popular but incorrect. This is the simplistic DNA → RNA → protein pathway published by James Watson in the first edition of The Molecular Biology of the Gene (1965). Watson's version differs from Crick's because Watson describes a two-step (DNA → RNA and RNA → protein) process as the central ...
An inducible gene is a gene whose expression is either responsive to environmental change or dependent on the position in the cell cycle. Any step of gene expression may be modulated, from the DNA-RNA transcription step to post-translational modification of a protein. The stability of the final gene product, whether it is RNA or protein, also ...
Central dogma depicting transcription from DNA code to RNA code to the proteins in the second step covering the production of protein. Protein production is the biotechnological process of generating a specific protein. It is typically achieved by the manipulation of gene expression in an organism such that it expresses large amounts of a ...
Any step of gene expression may be modulated, from signaling to transcription to post-translational modification of a protein. The following is a list of stages where gene expression is regulated, where the most extensively utilized point is transcription initiation, the first stage in transcription: [citation needed]
The generated protein is a sequence of amino acids. This sequence is determined by the sequence of nucleotides in the RNA. The nucleotides are considered three at a time. Each such triple results in addition of one specific amino acid to the protein being generated. The matching from nucleotide triple to amino acid is called the genetic code.
A gene is transcribed (copied) from DNA into RNA, which can either be non-coding with a direct function, or an intermediate messenger that is then translated into protein. Each of these steps is controlled by specific sequence elements, or regions, within the gene.
Creating a protein consists of two main steps: transcription of DNA into RNA and translation of RNA into protein. After DNA is transcribed into RNA, the molecule is known as pre-messenger RNA (mRNA) and it consists of exons and introns that can be split apart and rearranged in many different ways. Historically, exons are considered the coding ...