Cellular & Molecular Biology, DNA, RNA, and Protein Metabolism
Last Modified: November 28, 2025 Introduction Very nearly all human proteins undergo some form of modification during and/or following their synthesis. Protein modifications can involve the relatively simple process of cleavage or, as in the case of the large majority...
Cellular & Molecular Biology, DNA, RNA, and Protein Metabolism
Last Updated: December 2, 2025 Introduction to Translation Translation is the RNA directed synthesis of proteins. This process requires all three classes of RNA. Although the chemistry of peptide bond formation is relatively simple, the processes leading to the...
Biochemistry Topics, Carbohydrate Metabolism
Last Updated: November 7, 2025 Introduction to the PPP The pentose phosphate pathway (PPP) is primarily catabolic and serves as an alternative glucose oxidizing pathway. Glucose metabolism via the PPP is essential for the generation of NADPH that is required for...