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EF-Tu (elongation factor thermo unstable) is a prokaryotic elongation factor responsible for catalyzing the binding of an aminoacyl-tRNA (aa-tRNA) to the ribosome. It is a G-protein , and facilitates the selection and binding of an aa-tRNA to the A-site of the ribosome.
Most common elongation factors in prokaryotes are EF-Tu, EF-Ts, EF-G. [1] Bacteria and eukaryotes use elongation factors that are largely homologous to each other, but with distinct structures and different research nomenclatures. [2] Elongation is the most rapid step in translation. [3]
Exon junction complexes play a major role in mRNA surveillance. More specifically, they are found in the nonsense mediated decay pathway (NMD), wherein mRNA transcripts with premature stop codons are degraded. In normal mRNA translation, the ribosome binds to the transcript and begins amino acid chain elongation. It continues on until it ...
English: This is a diagram of cell elongation in plants. In sum, acidity in the cell wall causes the cell wall to become more flexible. Then, an influx of water into the vacuole of the plant cell will cause the plant cell to lengthen due to the cell wall flexibility.
The website provides a free online collection of multimedia including educational games, videos, images, and lesson plans, with a focus on game-based learning. Spongelab.com is a web-based teaching platform that allows educators to combine science, discovery learning tools and technology to create a visually engaging interactive whole. [1]
EF-G (elongation factor G, historically known as translocase) is a prokaryotic elongation factor involved in mRNA translation. As a GTPase , EF-G catalyzes the movement (translocation) of transfer RNA (tRNA) and messenger RNA (mRNA) through the ribosome .
The diagrams presented show how fatty acids are synthesized in microorganisms and list the enzymes found in Escherichia coli. [2] These reactions are performed by fatty acid synthase II (FASII), which in general contain multiple enzymes that act as one complex. FASII is present in prokaryotes, plants, fungi, and parasites, as well as in ...
Elongation may refer to: Elongation (astronomy) Elongation (geometry) Elongation (plasma physics) Part of transcription of DNA into RNA of all types, including mRNA, tRNA, rRNA, etc. Part of translation (biology) of mRNA into proteins; Elongated organisms; Elongation (mechanics), linear deformation