Abstract
This unit describes how living organisms are procuring their life with energy transform in order to perform biological work. This chapter explores the in-depth metabolism of carbohydrates, lipids and fats, proteins, nucleic acids and nucleotides. The relationship between photosynthesis and cellular respiration, the structure of DNA and the technology of recombinant DNA have been described in detail.
Keywords: Catabolism, Citric acid cycle, Glycolysis, Oxidative phosphorylation, Photorespiration, Photosynthesis, Recombinant DNA.