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.
The average number of years of vegan diet was 4.2 with a range of 1â25 y. Most of the vegans had followed a vegetarian diet before becoming vegans. The average number of years of following vegetarian dietary practices was 12.1 y with a range of 1â37 y. Of the 20 nonvegetarians, 7 regularly used multivitamin-mineral supplements, compared with 4 of 25 in the vegan group.