1 Obligate aerobes: They have absolute requirement for oxygen in order to grow. 2  Psuedomonas aeruginosa, Mycobacterium tuberculosis. 3  Anaerobes: Usually can not grow in the presence of oxygen. 4  Obligate anaerobes: These bacteria grow only under condition of high reducing intensity and for which oxygen is toxic.
Wild yam is a plant. It contains a chemical, diosgenin, which can be made in the laboratory into various steroids, such as estrogen and dehydroepiandrosterone (DHEA). The root and the bulb of the plant are used as a source of diosgenin, which is prepared as an âextract,â a liquid that contains concentrated diosgenin.
Neem Oil Extract Concentrate. 1  For organic gardening. 2  Controls aphids, whiteflies and other listed pests. 3  Controls black spot, rust and powdery mildew.  Controls spider 1  mites. For use on roses, flowers, houseplants, ornamental trees and shrubs, fruits and vegetables.  Can be used up to day of harvest.