The cross-shaped exchange configuration between non sister chromatids of homologous chromosomes that is visible during prophase I of meiosis. [tvmouse.ucdavis.edu/mousebiology/...] chiasma The site where the exchange of chromosome segments between homologous chromosomes takes place (crossing-over) (pl.: chiasmata). PICTURE. chitin A polysaccharide contained in fungi; also forms part of the hard outer covering of insects.
Becoming a vegan requires you to make drastic changes to your diet. You have to eliminate anything of animal origin, which includes meat, seafood, cheese, milk, eggs, fish and gelatin. Vegan diets are naturally low in saturated and trans fats, reducing your risk of developing heart disease and related complications.
A vegan diet consists of plant-based foods only. In other words, vegans do not consume any meat or dairy products.A vegan diet is formed on the basis of a food pyramid different from that of a conventional meat-based diet.vo Vegetarian: does not eat any animal or dairy products, but does eat eggs. Pescatarian: omits all animal flesh from diet with the exception of fish. Macrobiotic: consumes only unprocessed vegan foods and avoids refined sugars and oils.