1. The body cells is cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of 1. Urea 2. Ammonia 3. Potassium urate 4. Calcium carbonate Ans. 3 2. The chitinous exoskeleton of arthropods is formed by the polymerisation of: 1. Keratin sulphate& chondroitin sulphate 2. N-acetyl glucosamine 3. D-glucosamine 4. Lipoglycans Ans. […]
Scientists from Indiana University (IU), University of Michigan and Case Western Reserve University determined that the sequence of insulin has become entrenched at the edge of impaired production
