What is Vitamin D? Definition of Vitamin D Vitamin D is a fat-soluble secosteroid that plays a crucial role in calcium absorption in the gut, promoting bone health and regulating various other biological functions. It can be naturally obtained from sunlight exposure, certain foods, and supplements. Once ingested or synthesized in the skin, it undergoes … Read more
What is Vitamin E? Definition of Vitamin E Vitamin E is a fat-soluble antioxidant essential for human health that protects cell membranes from damage by reactive oxygen species and plays a role in immune function, skin health, and vision. It encompasses a group of eight compounds, including four tocopherols and four tocotrienols. Chemical structures of … Read more
What is Vitamin K? Definition of Vitamin K Vitamin K is a fat-soluble vitamin essential for the synthesis of proteins involved in blood coagulation and bone health. It is naturally found in green leafy vegetables, certain animal foods, and is also produced by gut bacteria. Properties of vitamin K Different forms of vitamin K Vitamin … Read more
What is Vitamin C (Ascorbic Acid)? Definition of Vitamin C (Ascorbic Acid) Vitamin C, also known as ascorbic acid, is a water-soluble essential nutrient found in various foods, primarily in citrus fruits. It plays a crucial role in tissue repair, collagen synthesis, and acts as an antioxidant, protecting cells from damage. Humans must obtain it … Read more
What is Vitamin B1 (Thiamine)? Definition of Vitamin B1 (Thiamine) Vitamin B1, also known as thiamine, is a water-soluble vitamin essential for the metabolism of glucose and amino acids in the body. It plays a critical role in energy production and is vital for the proper function of the nervous system. Thiamine is naturally found … Read more
What is Glycolysis? Glycolysis 10 Steps Glycolysis is a central metabolic pathway that facilitates the breakdown of glucose into pyruvate through a series of enzymatic reactions. This process is methodically organized into ten distinct steps, divided into two primary phases: the Preparatory phase and the Payoff phase. Preparatory Phase: Payoff Phase: In summary, glycolysis is … Read more
What are Macronutrients? The human organism is a complex system that relies on specific nutritional elements to ensure its proper functioning, growth, and maintenance. Within the realm of nutrition, there are two primary categories of nutrients that the body necessitates: macronutrients and micronutrients. This discourse will focus on the former, elucidating its significance, types, and … Read more
What is Gluconeogenesis? Gluconeogenesis, often abbreviated as GNG, is a vital metabolic pathway responsible for the synthesis of glucose from non-carbohydrate carbon substrates. This process is not limited to a specific group of organisms; rather, it is universally observed in plants, animals, fungi, bacteria, and various microorganisms. In vertebrates, the liver predominantly undertakes this task, … Read more
What is the Electron Transport Chain? Electron transport chain Definition The Electron Transport Chain (ETC) is a series of protein complexes and molecules located in the inner mitochondrial membrane that transfers electrons from electron donors to electron acceptors, facilitating the production of ATP through oxidative phosphorylation. Electron Transport Chain Animation Video Fundamentals of Electron Transport … Read more
What is Ethanol Metabolism? Definition of Ethanol Metabolism Ethanol metabolism is the biological process by which the body breaks down and eliminates ethanol, primarily in the liver, through a series of enzymatic reactions that convert it into less toxic compounds, ultimately producing energy and releasing water and carbon dioxide. Location of Ethanol Metabolism Distribution of … Read more
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