Uncover the Secret of Protein Synthesis: Transcription and Translation!
Автор: Closeup Education
Загружено: 2023-03-23
Просмотров: 4173
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We Learn We Share.Protein synthesis is the process by which cells build proteins. Proteins are essential biomolecules that perform a wide range of functions in cells, including catalyzing chemical reactions, serving as structural components, and functioning as signaling molecules.
Protein synthesis occurs in two main stages: transcription and translation. During transcription, the DNA sequence of a gene is copied into a molecule of messenger RNA (mRNA) in the cell nucleus. The mRNA then moves out of the nucleus and into the cytoplasm, where it serves as a template for protein synthesis.
During translation, the mRNA is read by ribosomes, which are molecular machines that link amino acids together in a specific order to form a protein. Transfer RNA (tRNA) molecules carry the appropriate amino acids to the ribosome, which adds them to the growing protein chain. The sequence of amino acids determines the structure and function of the final protein.
Protein synthesis is a complex process that is tightly regulated in cells. Errors in protein synthesis can lead to a wide range of diseases, including genetic disorders, cancer, and neurodegenerative diseases. Understanding the mechanisms of protein synthesis is therefore critical for understanding basic cell biology and developing new therapies for these diseases. #southafrica #biology #school
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