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.
What Can Go Wrong with a Vegan Diet. In theory, vegans replace the animal products with lots of whole foods like fruits, veggies, nuts, beans and whole grains. The reality, however, can often be quite different. What do vegans eat, in most cases? Switching to a vegan diet doesnât mean people suddenly become immune to all the food temptations out there.