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.
Vegan Nutrition. The key to a nutritionally sound vegan diet is variety. A healthy and varied vegan diet includes fruits, vegetables, plenty of leafy greens, whole grain products, nuts, seeds, and legumes. Work on limiting, or avoiding processed foods, which are hard to digest and are without the energy of live whole foods (whole foods are those that you eat the way they grow).