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Bölüm 10

Transkripsiyon: RNA'dan Proteine

Çeviri
Çeviri
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes ...
Ribozomlar
Ribozomlar
Ribosomes translate genetic information encoded by messenger RNA (mRNA) into proteins. Both prokaryotic and eukaryotic cells have ribosomes. Cells that ...
tRNA Aktivasyonu
tRNA Aktivasyonu
Aminoacyl-tRNA synthetases are present in both eukaryotes and bacteria. Though eukaryotes have 20 different aminoacyl-tRNA synthetases to couple to 20 ...
Çevirinin Başlatılması
Çevirinin Başlatılması
Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are ...
Çevirinin Sonlandırılması
Çevirinin Sonlandırılması
The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the ...
Çeviri Doğruluğunu Artırma
Çeviri Doğruluğunu Artırma
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single ...
Saçma sapan aracılı mRNA Bozunması
Saçma sapan aracılı mRNA Bozunması
The Upf proteins that carry out nonsense-mediated decay (NMD) are found in all eukaryotic organisms, including humans. Each protein has an individual ...
Moleküler Şaperonlar ve Protein Katlanması
Moleküler Şaperonlar ve Protein Katlanması
The native conformation of a protein is formed by interactions between the side chains of its constituent amino acids. When the amino acids cannot form ...
Proteazom
Proteazom
Eukaryotic cells can degrade proteins through several pathways. One of the most important amongst these is the ubiquitin-proteasome pathway. It helps the ...
Düzenlenmiş Protein Yıkımı
Düzenlenmiş Protein Yıkımı
It is vital to regulate the activity of enzymatic as well as non-enzymatic proteins inside the cell. This can be achieved either through creating a ...
Proteinler: Genlerden Bozulmaya
Proteinler: Genlerden Bozulmaya
Within a biological system, the DNA encodes the RNA, and the nucleotide sequence in the RNA further defines the amino acid sequence in the protein. This ...
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