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.
For other uses, see Toxin (disambiguation). A toxin (from Ancient Greek: ÏÎ¿Î¾Î¹ÎºÏÎ½ toxikon) is a poisonous substance produced within living cells or organisms; synthetic toxicants created by artificial processes are thus excluded. The term was first used by organic chemist Ludwig Brieger (1849â1919).