Aerobic organism An organism that requires or uses molecular oxygen for energy production. Covers types, cellular processes, evolutionary origins, ecological roles, and laboratory distinctions.
B vitamins (B-complex): roles, types, sources and deficiency B vitamins Group of eight water‑soluble vitamins essential as coenzymes for metabolism, nervous system and blood; found in varied foods. Covers types, functions, deficiency signs, history and…
Catabolism: the biochemical breakdown of molecules for energy Catabolism Catabolism is the component of metabolism that breaks down complex molecules into smaller ones, releasing energy used for cellular work, heat, and biosynthesis intermediates.
Cellular respiration: how cells convert nutrients into ATP Cellular respiration Cellular respiration is the set of biochemical processes by which cells extract usable energy (ATP) from nutrients, primarily glucose, using aerobic or anaerobic pathways.
Citric acid: properties, biological role, uses and history Citric acid Citric acid is a naturally occurring weak organic acid found in citrus fruits. This article summarizes its chemistry, role in metabolism, industrial production, applications, histo…
Pyruvic acid: structure, metabolism, and biological roles Pyruvic acid Pyruvic acid (pyruvate) is the simplest keto acid and a central metabolic intermediate. This article explains its chemistry, formation by glycolysis, main biochemical fates, and bi…
