Search also in: Web News Encyclopedia Images. radial symmetry n a type of structure of an organism or part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other Compare â bilateral symmetry.ompare â cross-ply. radial symmetry. n a type of structure of an organism or part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other. Compare â bilateral symmetry. radial tyre.
Xylose is a natural sugar that is found in some woody materials such as straw, pecan shells, cottonseed hulls, and corncobs. It is also found in berries, spinach, broccoli, and pears. It is extracted through a scientific process. In addition to this, your body actually produces a small amount of Xylose on its own.
Xylose lysine deoxycholate agar (XLD agar) is a selective growth medium, which is used for isolation of Salmonella spp. and Shigella spp. from clinical samples and from food. The pH of XLD agar is 7.4 and it contains the pH indicator methyl red, which gives a red or pink colour.he other half (B) is covered with E. coli-agar. Most pathogens of the urinary tract grow on CLED agar and if they are lactose fermenting, the colour of CLED agar changes from green to yellow. The MacConkey agar is used to grow mainly gram negative bacteria.