Science / Biology / Ribonucleic Acid (RNA): Nucleic acid containing ribose sugar and the base Uracil; RNA functions in protein synthesis. The single starnded molecule transcribed from one strand of the DNA. There are three types of RNA, each is involved in protein synthesis. RNA is made up nucleotides containing the sugar ribose, a phosphate group, and one of four nitrogenous bases (adenine, uracil, cytosine or guanine).
Health / Fitness / Lactic Acid: A substance caused by anaerobic training of the muscles, a build up prevents continuation of exercise, and a good example is 400 metre runners. Watch how they slow down during the last 100 metres of t MORE
Health / Vitamins / Hydroxy Acids: Substances penetrating the epidermis and upper dermis aiming to slough dead skin cells, used as anti-aging and anti-wrinkle ingredient in skin care products, the large cosmetic market based on hydroxy MORE