• To facilitate learning, several new features added to the current edition, such as. • Many chapters have been reorganized and updated with latest concepts. • Updated chapters, such as biological oxidation, metabolism in starvation, replication, transcription, translation and organ function tests. • A glossary with precise definitions serves as a ready-reference. • A list of reference/normal values appears at the end of the book. • Clinical correlations based on biochemical conditions, presented in coloured boxes wherever necessary. • Inclusion of additional 1000 Multiple Choice Questions (MCQs) with answers and 100 Long Answer Questions (LAQs) based on clinical case histories given at the end of every chapter.