The second Indian Grand Prix will be held on May 11 in Patiala, while the third one will be staged on May 15 here. The Federation Cup National Senior Athletics Championships here (June 1-4) will be followed by Junior Federation Cup in Lucknow from June 10-12.
Bacterial Toxins. Toxic substances formed in or elaborated by bacteria; they are usually proteins with high molecular weight and antigenicity; some are used as antibiotics and some to skin test for the presence of or susceptibility to certain diseases.oxic substances formed in or elaborated by bacteria; they are usually proteins with high molecular weight and antigenicity; some are used as antibiotics and some to skin test for the presence of or susceptibility to certain diseases.
toxin. poison produced by living organisms. Toxins are classified as either exotoxins or endotoxins. Exotoxins are a diverse group of soluble proteins released into the surrounding tissue by living bacterial cells.acterial toxins are subdivided into exotoxins and endotoxins. Exotoxins, which are secreted into the environment as a result of the vital activities of bacteria, are specific in their effect on organisms. Examples include neurotoxins and cytotoxins.