tRNAs have a distinct cloverleaf secondary structure and an L-shaped tertiary structure. The cloverleaf structure is formed by the folding of the single-stranded tRNA molecule, which is typically ...

The diagram illustrates the key stages of protein synthesis in a eukaryotic cell. It begins with transcription to produce pre-mRNA in the nucleus (1), followed by post-transcriptional modification (2) ...

Proteins are among the most important molecular building blocks of life. They are chains of amino acids assembled in our cells by ribosomes, the molecular "protein factories" of our bodies. The ...